the proximalness occurs.
sent1: the leptorrhineness does not occur. sent2: the fact that if the junction occurs but the offness does not occur then the leptorrhineness happens hold. sent3: the extrasystole does not occur.
$hypothesis$ = the proximalness occurs. ; $context$ = sent1: the leptorrhineness does not occur. sent2: the fact that if the junction occurs but the offness does not occur then the leptorrhineness happens hold. sent3: the extrasystole does not occur. ; $proof$ = 
__UNKNOWN__