the gonging seaplane does not occur.
sent1: the poling Adelaide does not occur if the gonging yuan happens and the skittling does not occur. sent2: the gonging seaplane is prevented by that the meaning duck happens but the meaning osmiridium does not occur. sent3: the meaning osmiridium does not occur. sent4: the streaking and the meaning duck happens. sent5: the poling declassification occurs.
sent4 -> int1: the fact that the meaning duck happens hold.; int1 & sent3 -> int2: the meaning duck occurs but the meaning osmiridium does not occur.; int2 & sent2 -> hypothesis;
$hypothesis$ = the gonging seaplane does not occur. ; $context$ = sent1: the poling Adelaide does not occur if the gonging yuan happens and the skittling does not occur. sent2: the gonging seaplane is prevented by that the meaning duck happens but the meaning osmiridium does not occur. sent3: the meaning osmiridium does not occur. sent4: the streaking and the meaning duck happens. sent5: the poling declassification occurs. ; $proof$ = 
sent4 -> int1: the fact that the meaning duck happens hold.; int1 & sent3 -> int2: the meaning duck occurs but the meaning osmiridium does not occur.; int2 & sent2 -> hypothesis; __PROVED__