there exists something such that if the fact that it is not overhand is not incorrect it is not thoughtless.
sent1: the panzer is thoughtless if it is not overhand. sent2: there is something such that if it is not a Castile it is not a Gordimer. sent3: the panzer is not thoughtless if it is not overhand. sent4: there exists something such that if it does not avoid puerpera then it does not antisepticize shmegegge. sent5: there exists something such that if it does not zone crudeness it is not a kind of a focalization. sent6: there exists something such that if it is not a kind of a confidence it is not chondritic. sent7: there exists something such that if it does not antisepticize drawler then the fact that it is not a yearbook is not false. sent8: there exists something such that if it is overhand then it is not thoughtless. sent9: there exists something such that if it does not antisepticize lowercase it is not a Kurosawa. sent10: there exists something such that if it is not overhand then it is thoughtless. sent11: the barrette is not thoughtless if it is not prehistoric. sent12: something is not overhand if it is not prehistoric. sent13: if the panzer does not antisepticize markhor then it is not thoughtless. sent14: the panzer is not thoughtless if it is not a kind of a blackmail. sent15: the fact that the neckband is not the forgetfulness if the neckband is non-Hawaiian is right. sent16: the panzer is not overhand if it is not a concatenation. sent17: if the panzer is overhand it is thoughtful.
sent3 -> hypothesis;
the Meany is not overhand if it is not prehistoric.
sent12 -> hypothesis;
$hypothesis$ = there exists something such that if the fact that it is not overhand is not incorrect it is not thoughtless. ; $context$ = sent1: the panzer is thoughtless if it is not overhand. sent2: there is something such that if it is not a Castile it is not a Gordimer. sent3: the panzer is not thoughtless if it is not overhand. sent4: there exists something such that if it does not avoid puerpera then it does not antisepticize shmegegge. sent5: there exists something such that if it does not zone crudeness it is not a kind of a focalization. sent6: there exists something such that if it is not a kind of a confidence it is not chondritic. sent7: there exists something such that if it does not antisepticize drawler then the fact that it is not a yearbook is not false. sent8: there exists something such that if it is overhand then it is not thoughtless. sent9: there exists something such that if it does not antisepticize lowercase it is not a Kurosawa. sent10: there exists something such that if it is not overhand then it is thoughtless. sent11: the barrette is not thoughtless if it is not prehistoric. sent12: something is not overhand if it is not prehistoric. sent13: if the panzer does not antisepticize markhor then it is not thoughtless. sent14: the panzer is not thoughtless if it is not a kind of a blackmail. sent15: the fact that the neckband is not the forgetfulness if the neckband is non-Hawaiian is right. sent16: the panzer is not overhand if it is not a concatenation. sent17: if the panzer is overhand it is thoughtful. ; $proof$ = 
sent3 -> hypothesis; __PROVED__