there exists something such that if that it is not a pyrography and it does not surprise agateware is not right then it does not visit.
sent1: the doorbell is not a pyrography if that it is not a kind of a headed and does not surprise Bitis is wrong. sent2: that the swiftlet is not ectomorphic if the fact that the swiftlet does not manage and it is not a visit does not hold is true. sent3: the doorbell is not a kind of a visit if that it is not a pyrography and does not surprise agateware does not hold.
sent3 -> hypothesis;
$hypothesis$ = there exists something such that if that it is not a pyrography and it does not surprise agateware is not right then it does not visit. ; $context$ = sent1: the doorbell is not a pyrography if that it is not a kind of a headed and does not surprise Bitis is wrong. sent2: that the swiftlet is not ectomorphic if the fact that the swiftlet does not manage and it is not a visit does not hold is true. sent3: the doorbell is not a kind of a visit if that it is not a pyrography and does not surprise agateware does not hold. ; $proof$ = 
sent3 -> hypothesis; __PROVED__