the contorting occurs.
sent1: the fact that the contorting does not occur is correct if the porphyriticness does not occur or the droning Donkin does not occur or both. sent2: the tossup does not occur. sent3: either the porphyriticness does not occur or the droning Donkin does not occur or both if the tossup does not occur. sent4: the politicizing does not occur and/or the prospect does not occur. sent5: if the tossup happens then that the contorting happens is not false. sent6: the fallout does not occur and/or the plumbing occurs.
sent3 & sent2 -> int1: the porphyriticness does not occur and/or the droning Donkin does not occur.; sent1 & int1 -> hypothesis;
the contorting occurs.
$hypothesis$ = the contorting occurs. ; $context$ = sent1: the fact that the contorting does not occur is correct if the porphyriticness does not occur or the droning Donkin does not occur or both. sent2: the tossup does not occur. sent3: either the porphyriticness does not occur or the droning Donkin does not occur or both if the tossup does not occur. sent4: the politicizing does not occur and/or the prospect does not occur. sent5: if the tossup happens then that the contorting happens is not false. sent6: the fallout does not occur and/or the plumbing occurs. ; $proof$ = 
sent3 & sent2 -> int1: the porphyriticness does not occur and/or the droning Donkin does not occur.; sent1 & int1 -> hypothesis; __DISPROVED__