context: We believe that Lily is a frog. It is probably the case that Julius is white. It is improbable that John discarded the apple. It is impossible that if Julius is white, and Lily is a frog, then Bill went to the bedroom. We believe that if Lily is a frog, and Julius is white, then Brian is gray. It is highly unlikely that if Lily is a frog, or John discarded the apple, then Greg is a lion.
hypothesis: It is probable that either John discarded the apple, or Julius is white.
valid_hypothesis: It is probable that either John discarded the apple, or Julius is white.
invalid_hypothesis: It is probably not the case that either John discarded the apple, or Julius is white.
hypothesis_assertion: Either John discarded the apple, or Julius is white.