the implementation occurs.
sent1: the fact that the implementation but not the cannonade occurs is wrong if the resulting does not occur. sent2: that the devastating happens is correct. sent3: if the cannonade occurs the implementation occurs. sent4: the result prevents that the phrase does not occur.
the implementation does not occur.
$hypothesis$ = the implementation occurs. ; $context$ = sent1: the fact that the implementation but not the cannonade occurs is wrong if the resulting does not occur. sent2: that the devastating happens is correct. sent3: if the cannonade occurs the implementation occurs. sent4: the result prevents that the phrase does not occur. ; $proof$ = 
__UNKNOWN__