context: We believe that Winona is a mouse. It is improbable that Lily is gray. It is probable that John discarded the milk. It is improbable that if either Lily is gray, or John discarded the milk, then Greg is green. It is highly unlikely that if John discarded the milk, and Winona is a mouse, then Julius is a frog. It is probable that if Lily is gray, or John discarded the milk, then Brian is a lion.
hypothesis: It is probable that either Winona is a mouse, or Julius is a frog.
valid_hypothesis: It is probable that either Winona is a mouse, or Julius is a frog.
invalid_hypothesis: We doubt that either Winona is a mouse, or Julius is a frog.
hypothesis_assertion: Either Winona is a mouse, or Julius is a frog.