context: It is almost certain that Lily is a rhino. It is probably not the case that Mary put down the milk. We doubt that Julius is green.
hypothesis: Chances are about even that julius is green, or Mary put down the milk.
valid_hypothesis: Chances are about even that julius is green, or Mary put down the milk.
invalid_hypothesis: It is impossible that julius is green, or Mary put down the milk.
hypothesis_assertion: Julius is green, or Mary put down the milk.