the Aleutianness does not occur.
sent1: that the Aleutianness occurs is triggered by that the invisibleness happens. sent2: the unregretfulness occurs. sent3: the newmarket happens. sent4: the invisibleness occurs if the legatoness happens. sent5: the legatoness occurs.
sent4 & sent5 -> int1: the invisibleness occurs.; int1 & sent1 -> hypothesis;
$hypothesis$ = the Aleutianness does not occur. ; $context$ = sent1: that the Aleutianness occurs is triggered by that the invisibleness happens. sent2: the unregretfulness occurs. sent3: the newmarket happens. sent4: the invisibleness occurs if the legatoness happens. sent5: the legatoness occurs. ; $proof$ = 
sent4 & sent5 -> int1: the invisibleness occurs.; int1 & sent1 -> hypothesis; __DISPROVED__