context: It is probable that Mary took the milk. Chances are about even that Julius is a frog. It is unlikely that John went to the bedroom. It is probably not the case that if either Mary took the milk, or Julius is a frog, then Bernhard is gray. It is improbable that if either John went to the bedroom, or Julius is a frog, then Brian is yellow. It is highly likely that if Mary took the milk, and Julius is a frog, then Winona is a wolf.
hypothesis: There is little chance that either Julius is a frog, or Bernhard is gray.
valid_hypothesis: There is a better than even chance that either Julius is a frog, or Bernhard is gray.
invalid_hypothesis: There is little chance that either Julius is a frog, or Bernhard is gray.
hypothesis_assertion: Either Julius is a frog, or Bernhard is gray.