context: It is likely that Julius is a frog. It is impossible that Bernhard is green. There is a very good chance that Greg is yellow. It is almost certain that if Greg is yellow, and Julius is a frog, then Bill got the milk there. It is probably not the case that if Julius is a frog, or Greg is yellow, then Gertrude is a wolf. Chances are slight that if either Bernhard is green, or Greg is yellow, then John went to the bedroom.
hypothesis: There is little chance that bill got the milk there, or Gertrude is a wolf.
valid_hypothesis: There is a better than even chance that bill got the milk there, or Gertrude is a wolf.
invalid_hypothesis: There is little chance that bill got the milk there, or Gertrude is a wolf.
hypothesis_assertion: Bill got the milk there, or Gertrude is a wolf.