that the vaulter does not stack hold.
sent1: there exists something such that that it is a kind of a biogeography that does not stack is incorrect. sent2: the vaulter is a biogeography if there is something such that that it does stack and is not bumpy does not hold. sent3: that the icecream is a kind of a biogeography and is not bumpy is incorrect. sent4: the fact that the vaulter is not a stacks is incorrect if there is something such that the fact that it is a biogeography and is not bumpy is not true.
sent3 -> int1: there is something such that that it is a biogeography but not bumpy is wrong.; int1 & sent4 -> hypothesis;
$hypothesis$ = that the vaulter does not stack hold. ; $context$ = sent1: there exists something such that that it is a kind of a biogeography that does not stack is incorrect. sent2: the vaulter is a biogeography if there is something such that that it does stack and is not bumpy does not hold. sent3: that the icecream is a kind of a biogeography and is not bumpy is incorrect. sent4: the fact that the vaulter is not a stacks is incorrect if there is something such that the fact that it is a biogeography and is not bumpy is not true. ; $proof$ = 
sent3 -> int1: there is something such that that it is a biogeography but not bumpy is wrong.; int1 & sent4 -> hypothesis; __DISPROVED__