context: There is almost no chance that Sandra grabbed the milk. It is highly unlikely that Brian is gray. Chances are about even that Greg is a frog. Chances are slight that if Brian is gray, or Greg is a frog, then Antoine is hungry. It is certain that if Greg is a frog, and Brian is gray, then Mary moved to the garden. It is likely that if Brian is gray, and Sandra grabbed the milk, then Julius is green.
hypothesis: There is almost no chance that julius is green, or Sandra grabbed the milk.
valid_hypothesis: There is almost no chance that julius is green, or Sandra grabbed the milk.
invalid_hypothesis: It is certain that julius is green, or Sandra grabbed the milk.
hypothesis_assertion: Julius is green, or Sandra grabbed the milk.