context: There is a better than even chance that Jeff discarded the apple. It is highly unlikely that Lily is a lion. It is likely that Brian is a frog. Chances are slight that if Lily is a lion, and Brian is a frog, then Gertrude is a mouse. There is little chance that if either Jeff discarded the apple, or Lily is a lion, then Julius is gray. It is likely that if Lily is a lion, and Jeff discarded the apple, then Bill went to the bedroom.
hypothesis: There is almost no chance that brian is a frog, or Julius is gray.
valid_hypothesis: It is probably the case that brian is a frog, or Julius is gray.
invalid_hypothesis: There is almost no chance that brian is a frog, or Julius is gray.
hypothesis_assertion: Brian is a frog, or Julius is gray.