the recce does not occur.
sent1: the rotating Serkin happens and/or the hijab does not occur. sent2: that the rotating Serkin happens or that the hijab does not occur or both is caused by that the weakening happens. sent3: the weakening occurs. sent4: if that the rotating Serkin does not occur is right then the recce does not occur. sent5: that the recce does not occur is brought about by either that the rotating Serkin does not occur or that the hijab does not occur or both.
$hypothesis$ = the recce does not occur. ; $context$ = sent1: the rotating Serkin happens and/or the hijab does not occur. sent2: that the rotating Serkin happens or that the hijab does not occur or both is caused by that the weakening happens. sent3: the weakening occurs. sent4: if that the rotating Serkin does not occur is right then the recce does not occur. sent5: that the recce does not occur is brought about by either that the rotating Serkin does not occur or that the hijab does not occur or both. ; $proof$ = 
__UNKNOWN__