the colonoscopy happens.
sent1: if that the covert but not the air-to-airness happens is not correct then the covert does not occur. sent2: the liliaceousness occurs. sent3: the colonoscopy happens. sent4: that not the covert but the metier occurs results in that the colonoscopy does not occur. sent5: that the metier does not occur but the colonoscopy occurs brings about that the variation happens.
sent3 -> hypothesis;
the colonoscopy does not occur.
$hypothesis$ = the colonoscopy happens. ; $context$ = sent1: if that the covert but not the air-to-airness happens is not correct then the covert does not occur. sent2: the liliaceousness occurs. sent3: the colonoscopy happens. sent4: that not the covert but the metier occurs results in that the colonoscopy does not occur. sent5: that the metier does not occur but the colonoscopy occurs brings about that the variation happens. ; $proof$ = 
sent3 -> hypothesis; __PROVED__