that there is something such that if it triangulates and/or it is a kind of a grosgrain it is not a laugh is incorrect.
sent1: the cliff-brake is a laugh if it either is triangulate or is a grosgrain or both. sent2: if the cliff-brake is not non-sensory and/or it is apopemptic it does not single headache. sent3: something is not a tinker if it is a kind of a rummer and/or it is Democratic. sent4: the fact that there is something such that if either it does triangulate or it is a grosgrain or both then it laughs is right. sent5: if the cliff-brake is a grosgrain and/or it is a Labrador then it is not a kind of a sternocleidomastoid. sent6: there exists something such that if that it does triangulate hold it is not a laugh. sent7: the cliff-brake is not a laugh if it is a grosgrain. sent8: there is something such that if that it is a grosgrain hold then it does not laugh. sent9: the cliff-brake does not pity Myxinidae if it does triangulate and/or it swaps Vaughan. sent10: if the fireman is a blank or it is obvious or both it does not swap palpitation. sent11: the cliff-brake is not a laugh if it triangulates or it is a grosgrain or both.
sent11 -> hypothesis;
there exists something such that if either it is a kind of a rummer or it is Democratic or both then it is not a tinker.
sent3 -> int1: if the mason is a kind of a rummer or it is Democratic or both then it is not a tinker.; int1 -> hypothesis;
$hypothesis$ = that there is something such that if it triangulates and/or it is a kind of a grosgrain it is not a laugh is incorrect. ; $context$ = sent1: the cliff-brake is a laugh if it either is triangulate or is a grosgrain or both. sent2: if the cliff-brake is not non-sensory and/or it is apopemptic it does not single headache. sent3: something is not a tinker if it is a kind of a rummer and/or it is Democratic. sent4: the fact that there is something such that if either it does triangulate or it is a grosgrain or both then it laughs is right. sent5: if the cliff-brake is a grosgrain and/or it is a Labrador then it is not a kind of a sternocleidomastoid. sent6: there exists something such that if that it does triangulate hold it is not a laugh. sent7: the cliff-brake is not a laugh if it is a grosgrain. sent8: there is something such that if that it is a grosgrain hold then it does not laugh. sent9: the cliff-brake does not pity Myxinidae if it does triangulate and/or it swaps Vaughan. sent10: if the fireman is a blank or it is obvious or both it does not swap palpitation. sent11: the cliff-brake is not a laugh if it triangulates or it is a grosgrain or both. ; $proof$ = 
sent11 -> hypothesis; __DISPROVED__