the prattler is not arboreal.
sent1: the foster-mother transmutes. sent2: the foster-mother is a Daba. sent3: if the foster-mother crooks prattler the prattler is arboreal. sent4: the foster-mother is a kind of a Daba that does crook prattler. sent5: if the prattler is a Daba then the foster-mother does crook prattler.
sent4 -> int1: the foster-mother does crook prattler.; sent3 & int1 -> hypothesis;
$hypothesis$ = the prattler is not arboreal. ; $context$ = sent1: the foster-mother transmutes. sent2: the foster-mother is a Daba. sent3: if the foster-mother crooks prattler the prattler is arboreal. sent4: the foster-mother is a kind of a Daba that does crook prattler. sent5: if the prattler is a Daba then the foster-mother does crook prattler. ; $proof$ = 
sent4 -> int1: the foster-mother does crook prattler.; sent3 & int1 -> hypothesis; __DISPROVED__