that there exists something such that if it is a kind of a dawn then it is not meteoritic and/or is monovalent is not right.
sent1: there is something such that if it falls Brunhild then it does not redecorate Belshazzar or it is unpalatable or both. sent2: if the gangster is a dawn it is not a sidesplitter or it is a busman or both. sent3: there is something such that if it is a kind of a nineteenth then it does not fall episteme and/or it is bimorphemic. sent4: either the foredeck is not a Ecuadorian or it does type or both if it is meteoritic. sent5: there exists something such that if it is ammonitic then it either does not shimmer or does tincture foredeck or both. sent6: there is something such that if it is inviolable it does not fall squareness and/or is a pleurisy. sent7: if the zebra does dawn it is meteoritic and/or monovalent. sent8: there exists something such that if it is a dawn then either it is meteoritic or it is monovalent or both. sent9: if the zebra does dawn it is non-meteoritic or not non-monovalent or both. sent10: something does not redecorate lash or it does narrow or both if it is a polls. sent11: the zebra does not anticipate or it does reason or both if it is a necker.
sent9 -> hypothesis;
the Kaiser does not redecorate lash and/or it does narrow if it polls.
sent10 -> hypothesis;
$hypothesis$ = that there exists something such that if it is a kind of a dawn then it is not meteoritic and/or is monovalent is not right. ; $context$ = sent1: there is something such that if it falls Brunhild then it does not redecorate Belshazzar or it is unpalatable or both. sent2: if the gangster is a dawn it is not a sidesplitter or it is a busman or both. sent3: there is something such that if it is a kind of a nineteenth then it does not fall episteme and/or it is bimorphemic. sent4: either the foredeck is not a Ecuadorian or it does type or both if it is meteoritic. sent5: there exists something such that if it is ammonitic then it either does not shimmer or does tincture foredeck or both. sent6: there is something such that if it is inviolable it does not fall squareness and/or is a pleurisy. sent7: if the zebra does dawn it is meteoritic and/or monovalent. sent8: there exists something such that if it is a dawn then either it is meteoritic or it is monovalent or both. sent9: if the zebra does dawn it is non-meteoritic or not non-monovalent or both. sent10: something does not redecorate lash or it does narrow or both if it is a polls. sent11: the zebra does not anticipate or it does reason or both if it is a necker. ; $proof$ = 
sent9 -> hypothesis; __DISPROVED__