context: Chances are about even that Greg is a lion. It is highly unlikely that Brian is green. It is probably the case that Mary took the apple. There is little chance that if either Brian is green, or Greg is a lion, then John went to the garden. It is highly unlikely that if Brian is green, and Greg is a lion, then Julius is gray. It is highly unlikely that if either Brian is green, or Greg is a lion, then Sandra put down the milk.
hypothesis: There is almost no chance that julius is gray, or Sandra put down the milk.
valid_hypothesis: There is almost no chance that julius is gray, or Sandra put down the milk.
invalid_hypothesis: It is probable that julius is gray, or Sandra put down the milk.
hypothesis_assertion: Julius is gray, or Sandra put down the milk.