context: It is improbable that Mary grabbed the milk. It is probable that Lily is gray. Chances are about even that Winona is a wolf. It is unlikely that if Winona is a wolf, or Mary grabbed the milk, then John took the apple. We doubt that if Lily is gray, and Mary grabbed the milk, then Greg is a rhino. We doubt that if Lily is gray, and Mary grabbed the milk, then Bill went to the bedroom.
hypothesis: It is probably not the case that lily is gray, and Winona is a wolf.
valid_hypothesis: It is probably not the case that lily is gray, and Winona is a wolf.
invalid_hypothesis: It is likely that lily is gray, and Winona is a wolf.
hypothesis_assertion: Lily is gray, and Winona is a wolf.