that the dredge is not amaranthine is not false.
sent1: something is not amaranthine if it is synchronous. sent2: something is synchronous if it means coreference. sent3: the dredge does mean caterpillar and is a sickbay. sent4: the dredge does mean coreference if it does evaporate.
sent3 -> int1: the dredge does mean caterpillar.; sent2 -> int2: if the dredge means coreference it is synchronous.; sent1 -> int3: if the fact that the dredge is synchronous is not false it is not amaranthine.;
$hypothesis$ = that the dredge is not amaranthine is not false. ; $context$ = sent1: something is not amaranthine if it is synchronous. sent2: something is synchronous if it means coreference. sent3: the dredge does mean caterpillar and is a sickbay. sent4: the dredge does mean coreference if it does evaporate. ; $proof$ = 
sent3 -> int1: the dredge does mean caterpillar.; sent2 -> int2: if the dredge means coreference it is synchronous.; sent1 -> int3: if the fact that the dredge is synchronous is not false it is not amaranthine.; __UNKNOWN__