context: We doubt that Greg is gray. It is unlikely that Daniel left the milk. There is little chance that Julius is a lion.
hypothesis: There is almost no chance that julius is a lion, and Greg is gray.
valid_hypothesis: There is almost no chance that julius is a lion, and Greg is gray.
invalid_hypothesis: Chances are about even that julius is a lion, and Greg is gray.
hypothesis_assertion: Julius is a lion, and Greg is gray.