that there exists something such that if it does rummage swimmer and it does not rummage chateau it is not a Briton is incorrect.
sent1: a mononuclear thing that is not Sisyphean is not a viewgraph. sent2: the fact that there is something such that if it does rummage swimmer and does not rummage chateau then it is Briton hold. sent3: there exists something such that if it rummages swimmer and rummages chateau it is non-Briton. sent4: the chateau is not a Briton if it rummages swimmer and does not rummage chateau.
sent4 -> hypothesis;
there is something such that if that it is mononuclear and is not Sisyphean is true it is not a kind of a viewgraph.
sent1 -> int1: if the swimmer is mononuclear but it is not Sisyphean it is not a viewgraph.; int1 -> hypothesis;
$hypothesis$ = that there exists something such that if it does rummage swimmer and it does not rummage chateau it is not a Briton is incorrect. ; $context$ = sent1: a mononuclear thing that is not Sisyphean is not a viewgraph. sent2: the fact that there is something such that if it does rummage swimmer and does not rummage chateau then it is Briton hold. sent3: there exists something such that if it rummages swimmer and rummages chateau it is non-Briton. sent4: the chateau is not a Briton if it rummages swimmer and does not rummage chateau. ; $proof$ = 
sent4 -> hypothesis; __DISPROVED__