the whisperer is a quack but not inoperative.
sent1: if that the gloxinia does quack and is not polyphonic is not true the crossbow does not quack. sent2: if the saber is not an underperformer then the whisperer is a quack that is not inoperative. sent3: the saber is a drinker. sent4: the saber is both not a shallowness and not a Sabine if it is a drinker. sent5: if something is not a shallowness and is not Sabine it is not polyphonic. sent6: the precipitant is not an underperformer. sent7: if the saber is a kind of a mullioned and is a phrasing that it is not an underperformer is true.
sent5 -> int1: the saber is not polyphonic if it is both not a shallowness and not a Sabine.; sent4 & sent3 -> int2: the saber is not a shallowness and not a Sabine.; int1 & int2 -> int3: the saber is not polyphonic.;
that the whisperer quacks but it is operative is wrong.
$hypothesis$ = the whisperer is a quack but not inoperative. ; $context$ = sent1: if that the gloxinia does quack and is not polyphonic is not true the crossbow does not quack. sent2: if the saber is not an underperformer then the whisperer is a quack that is not inoperative. sent3: the saber is a drinker. sent4: the saber is both not a shallowness and not a Sabine if it is a drinker. sent5: if something is not a shallowness and is not Sabine it is not polyphonic. sent6: the precipitant is not an underperformer. sent7: if the saber is a kind of a mullioned and is a phrasing that it is not an underperformer is true. ; $proof$ = 
sent5 -> int1: the saber is not polyphonic if it is both not a shallowness and not a Sabine.; sent4 & sent3 -> int2: the saber is not a shallowness and not a Sabine.; int1 & int2 -> int3: the saber is not polyphonic.; __UNKNOWN__