context: It is likely that Brian is a frog. There is a very good chance that Lily is gray. There is a better than even chance that Sumit is bored. There is a very good chance that if Brian is a frog, or Lily is gray, then Bill dropped the milk. There is little chance that if either Sumit is bored, or Brian is a frog, then Julius is a lion. We believe that if Lily is gray, or Brian is a frog, then John took the apple.
hypothesis: There is almost no chance that john took the apple, and Julius is a lion.
valid_hypothesis: There is almost no chance that john took the apple, and Julius is a lion.
invalid_hypothesis: Chances are about even that john took the apple, and Julius is a lion.
hypothesis_assertion: John took the apple, and Julius is a lion.