context: It is improbable that Daniel took the milk. It is probably not the case that John left the football. It is improbable that Julius is a swan. It is probably the case that if either Daniel took the milk, or John left the football, then Lily is gray. It is almost certain that if either John left the football, or Julius is a swan, then Brian is a lion. It is probably not the case that if Daniel took the milk, or Julius is a swan, then Greg is green.
hypothesis: It is unlikely that either Lily is gray, or Greg is green.
valid_hypothesis: It is unlikely that either Lily is gray, or Greg is green.
invalid_hypothesis: It is likely that either Lily is gray, or Greg is green.
hypothesis_assertion: Either Lily is gray, or Greg is green.