the libration occurs.
sent1: if the fact that the arrogance occurs is not incorrect then the fact that the inhibition happens but the protesting Mantidae does not occur is wrong. sent2: the apoplectiformness happens. sent3: if the meditating occurs then that the angelus and the non-lacustrineness occurs is incorrect. sent4: the fact that the printing happens hold. sent5: the trundling gasket happens. sent6: that the clack occurs is brought about by the non-determinateness. sent7: if that the fact that the improvement occurs is not true is not wrong then the feathering occurs. sent8: if that the angelus occurs but the lacustrineness does not occur is not correct then the libration happens. sent9: both the ergonomicness and the meditating happens. sent10: that the unemotionalness but not the rerunning loving happens is not right if the trundling escudo happens. sent11: the ergonomicness occurs. sent12: the rerunning blackout occurs. sent13: the aboralness happens.
sent9 -> int1: the meditating happens.; sent3 & int1 -> int2: the fact that both the angelus and the non-lacustrineness occurs is not correct.; sent8 & int2 -> hypothesis;
$hypothesis$ = the libration occurs. ; $context$ = sent1: if the fact that the arrogance occurs is not incorrect then the fact that the inhibition happens but the protesting Mantidae does not occur is wrong. sent2: the apoplectiformness happens. sent3: if the meditating occurs then that the angelus and the non-lacustrineness occurs is incorrect. sent4: the fact that the printing happens hold. sent5: the trundling gasket happens. sent6: that the clack occurs is brought about by the non-determinateness. sent7: if that the fact that the improvement occurs is not true is not wrong then the feathering occurs. sent8: if that the angelus occurs but the lacustrineness does not occur is not correct then the libration happens. sent9: both the ergonomicness and the meditating happens. sent10: that the unemotionalness but not the rerunning loving happens is not right if the trundling escudo happens. sent11: the ergonomicness occurs. sent12: the rerunning blackout occurs. sent13: the aboralness happens. ; $proof$ = 
sent9 -> int1: the meditating happens.; sent3 & int1 -> int2: the fact that both the angelus and the non-lacustrineness occurs is not correct.; sent8 & int2 -> hypothesis; __PROVED__