the vasovasostomy does not occur.
sent1: the fact that the vasovasostomy does not occur is right if the fact that the pinch happens and/or the flickering shinplaster does not occur is not right. sent2: the vasovasostomy and the dystopianness occurs if the farness does not occur. sent3: if the dystopianness does not occur then the fact that the flickering shinplaster happens is not incorrect. sent4: the dystopianness does not occur.
that the vasovasostomy happens is right.
$hypothesis$ = the vasovasostomy does not occur. ; $context$ = sent1: the fact that the vasovasostomy does not occur is right if the fact that the pinch happens and/or the flickering shinplaster does not occur is not right. sent2: the vasovasostomy and the dystopianness occurs if the farness does not occur. sent3: if the dystopianness does not occur then the fact that the flickering shinplaster happens is not incorrect. sent4: the dystopianness does not occur. ; $proof$ = 
__UNKNOWN__