context: We doubt that Julius is green. It is probably the case that Mary discarded the milk. It is likely that Bill dropped the apple.
hypothesis: It is certain that either Bill dropped the apple, or Mary discarded the milk.
valid_hypothesis: Chances are about even that either Bill dropped the apple, or Mary discarded the milk.
invalid_hypothesis: It is certain that either Bill dropped the apple, or Mary discarded the milk.
hypothesis_assertion: Either Bill dropped the apple, or Mary discarded the milk.