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		</otherManager><votingAuthority><Sole>116600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ABBVIE INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>00287Y109</cusip><value>49487</value><shrsOrPrnAmt><sshPrnamt>799335</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>65724</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ABIOMED INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>003654100</cusip><value>9677</value><shrsOrPrnAmt><sshPrnamt>88540</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>175000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ADEPTUS HEALTH INC</nameOfIssuer><titleOfClass>CL A</titleOfClass><cusip>006855100</cusip><value>951</value><shrsOrPrnAmt><sshPrnamt>18400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>650000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ADVAXIS INC</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>007624208</cusip><value>229</value><shrsOrPrnAmt><sshPrnamt>28300</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>28300</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AERCAP HOLDINGS NV</nameOfIssuer><titleOfClass>SHS</titleOfClass><cusip>N00985106</cusip><value>6382</value><shrsOrPrnAmt><sshPrnamt>190000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>190000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AETNA INC NEW</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>00817Y108</cusip><value>8538</value><shrsOrPrnAmt><sshPrnamt>69906</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>69906</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AIR PRODS &amp; CHEMS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>009158106</cusip><value>21306</value><shrsOrPrnAmt><sshPrnamt>150000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>1600000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AK STL HLDG CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>001547108</cusip><value>2330</value><shrsOrPrnAmt><sshPrnamt>500000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>1031125</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AKAMAI TECHNOLOGIES INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>00971T101</cusip><value>1365</value><shrsOrPrnAmt><sshPrnamt>24400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>24400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AKAMAI TECHNOLOGIES INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>00971T101</cusip><value>324</value><shrsOrPrnAmt><sshPrnamt>5800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>5800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AKORN INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>009728106</cusip><value>215</value><shrsOrPrnAmt><sshPrnamt>7550</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>391200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AMERICAN INTL GROUP INC</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>026874784</cusip><value>15206</value><shrsOrPrnAmt><sshPrnamt>287500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>199000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PRUDENTIAL FINL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>744320102</cusip><value>1689</value><shrsOrPrnAmt><sshPrnamt>23678</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>23678</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PRUDENTIAL FINL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>744320102</cusip><value>6121</value><shrsOrPrnAmt><sshPrnamt>85800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>85800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PRUDENTIAL FINL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>744320102</cusip><value>12840</value><shrsOrPrnAmt><sshPrnamt>180000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>180000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PRUDENTIAL GLB SHT DUR HG YL</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>74433A109</cusip><value>351</value><shrsOrPrnAmt><sshPrnamt>23372</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>78000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PULTE GROUP INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>745867101</cusip><value>1234</value><shrsOrPrnAmt><sshPrnamt>63300</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>63300</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PUTNAM MASTER INTER INCOME T</nameOfIssuer><titleOfClass>SH BEN INT</titleOfClass><cusip>746909100</cusip><value>156</value><shrsOrPrnAmt><sshPrnamt>36059</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>36059</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUALCOMM INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>747525103</cusip><value>9289</value><shrsOrPrnAmt><sshPrnamt>173400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>173400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUALCOMM INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>747525103</cusip><value>6257</value><shrsOrPrnAmt><sshPrnamt>116800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>116800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUALCOMM INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>747525103</cusip><value>606</value><shrsOrPrnAmt><sshPrnamt>11311</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>11311</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUANEX BUILDING PRODUCTS COR</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>747619104</cusip><value>193</value><shrsOrPrnAmt><sshPrnamt>10400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>10400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUANTA SVCS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>74762E102</cusip><value>213</value><shrsOrPrnAmt><sshPrnamt>9200</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>9200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUANTUM CORP</nameOfIssuer><titleOfClass>COM DSSG</titleOfClass><cusip>747906204</cusip><value>274</value><shrsOrPrnAmt><sshPrnamt>652800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>652800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUESTAR CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>748356102</cusip><value>299</value><shrsOrPrnAmt><sshPrnamt>11800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>11800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUORUM HEALTH CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>74909E106</cusip><value>1258</value><shrsOrPrnAmt><sshPrnamt>117450</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>117450</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RAND LOGISTICS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>752182105</cusip><value>328</value><shrsOrPrnAmt><sshPrnamt>318420</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>318420</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RAYTHEON CO</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>755111507</cusip><value>489</value><shrsOrPrnAmt><sshPrnamt>3600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>3600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RED HAT INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>756577102</cusip><value>2177</value><shrsOrPrnAmt><sshPrnamt>29989</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>29989</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>REGIONS FINL CORP NEW</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>7591EP100</cusip><value>2487</value><shrsOrPrnAmt><sshPrnamt>292300</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>292300</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>REINSURANCE GROUP AMER INC</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>759351604</cusip><value>349</value><shrsOrPrnAmt><sshPrnamt>3600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>3600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RELYPSA INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>759531106</cusip><value>185</value><shrsOrPrnAmt><sshPrnamt>10000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>10000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>REXNORD CORP NEW</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>76169B102</cusip><value>457</value><shrsOrPrnAmt><sshPrnamt>23300</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>23300</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>REYNOLDS AMERICAN INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>761713106</cusip><value>1941</value><shrsOrPrnAmt><sshPrnamt>36000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>36000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RIO TINTO PLC</nameOfIssuer><titleOfClass>SPONSORED ADR</titleOfClass><cusip>767204100</cusip><value>783</value><shrsOrPrnAmt><sshPrnamt>25000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>25000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RITE AID CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>767754104</cusip><value>3745</value><shrsOrPrnAmt><sshPrnamt>500000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>500000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RITE AID CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>767754104</cusip><value>6741</value><shrsOrPrnAmt><sshPrnamt>900000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>900000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>RLI CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>749607107</cusip><value>557</value><shrsOrPrnAmt><sshPrnamt>8100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>8100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ROVI CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>779376102</cusip><value>565</value><shrsOrPrnAmt><sshPrnamt>36100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>36100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ROWAN COMPANIES PLC</nameOfIssuer><titleOfClass>SHS CL A</titleOfClass><cusip>G7665A101</cusip><value>7329</value><shrsOrPrnAmt><sshPrnamt>415000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>415000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ROWAN COMPANIES PLC</nameOfIssuer><titleOfClass>SHS CL A</titleOfClass><cusip>G7665A101</cusip><value>1256</value><shrsOrPrnAmt><sshPrnamt>71100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>71100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ROYAL CARIBBEAN CRUISES LTD</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>V7780T103</cusip><value>1343</value><shrsOrPrnAmt><sshPrnamt>20000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>20000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ROYAL CARIBBEAN CRUISES LTD</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>V7780T103</cusip><value>2202</value><shrsOrPrnAmt><sshPrnamt>32800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>32800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>S&amp;P GLOBAL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>78409V104</cusip><value>3743</value><shrsOrPrnAmt><sshPrnamt>34900</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>34900</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SALESFORCE COM INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>79466L302</cusip><value>4423</value><shrsOrPrnAmt><sshPrnamt>55700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>55700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SALESFORCE COM INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>79466L302</cusip><value>23982</value><shrsOrPrnAmt><sshPrnamt>302000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>302000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SANMINA CORPORATION</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>801056102</cusip><value>284</value><shrsOrPrnAmt><sshPrnamt>10600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>10600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCANA CORP NEW</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>80589M102</cusip><value>462</value><shrsOrPrnAmt><sshPrnamt>6100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>6100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCHLUMBERGER LTD</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>806857108</cusip><value>523</value><shrsOrPrnAmt><sshPrnamt>6614</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>6614</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCHLUMBERGER LTD</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>806857108</cusip><value>4080</value><shrsOrPrnAmt><sshPrnamt>51600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>51600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCHLUMBERGER LTD</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>806857108</cusip><value>1353</value><shrsOrPrnAmt><sshPrnamt>17100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>17100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCHULMAN A INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>808194104</cusip><value>237</value><shrsOrPrnAmt><sshPrnamt>9700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>1000000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCIENCE APPLICATNS INTL CP N</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>808625107</cusip><value>420</value><shrsOrPrnAmt><sshPrnamt>7200</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>7200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SCRIPPS E W CO OHIO</nameOfIssuer><titleOfClass>CL A NEW</titleOfClass><cusip>811054402</cusip><value>255</value><shrsOrPrnAmt><sshPrnamt>16090</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>16090</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SEABOARD CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>811543107</cusip><value>1148</value><shrsOrPrnAmt><sshPrnamt>400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>134100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SEADRILL LIMITED</nameOfIssuer><titleOfClass>SHS</titleOfClass><cusip>G7945E105</cusip><value>324</value><shrsOrPrnAmt><sshPrnamt>100000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>100000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>SEAGATE TECHNOLOGY PLC</nameOfIssuer><titleOfClass>SHS</titleOfClass><cusip>G7945M107</cusip><value>395</value><shrsOrPrnAmt><sshPrnamt>16200</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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