the dray is not horse-drawn.
sent1: everything is infelicitous. sent2: a five-hitter is horse-drawn. sent3: everything is infelicitous and it is not phonetics. sent4: the cart is infelicitous. sent5: the goatskin is not lossless.
sent3 -> int1: the cart is infelicitous but it is not phonetics.; int1 -> int2: the cart is not phonetics.;
the dray is horse-drawn.
sent2 -> int3: the fact that the dray is horse-drawn if the dray is a five-hitter hold.;
$hypothesis$ = the dray is not horse-drawn. ; $context$ = sent1: everything is infelicitous. sent2: a five-hitter is horse-drawn. sent3: everything is infelicitous and it is not phonetics. sent4: the cart is infelicitous. sent5: the goatskin is not lossless. ; $proof$ = 
sent3 -> int1: the cart is infelicitous but it is not phonetics.; int1 -> int2: the cart is not phonetics.; __UNKNOWN__