there is something such that if that it is not pyrographic and/or it is not a kind of an irony is not correct it is not a lull.
sent1: if the couchette is not pyrographic and/or it is not Tyrolean then the fact that it does not shed is right. sent2: the couchette is not a lull if that it is not pyrographic and/or it is not an irony is not correct. sent3: the ligand does not hurtle if either it is not pyrographic or it does not dogmatize assortment or both.
sent2 -> hypothesis;
$hypothesis$ = there is something such that if that it is not pyrographic and/or it is not a kind of an irony is not correct it is not a lull. ; $context$ = sent1: if the couchette is not pyrographic and/or it is not Tyrolean then the fact that it does not shed is right. sent2: the couchette is not a lull if that it is not pyrographic and/or it is not an irony is not correct. sent3: the ligand does not hurtle if either it is not pyrographic or it does not dogmatize assortment or both. ; $proof$ = 
sent2 -> hypothesis; __PROVED__