context: There is little chance that Emily is a wolf. Chances are about even that Brian is a swan. It is probable that Julius is a frog. It is unlikely that if Julius is a frog, and Brian is a swan, then Greg is gray. It is impossible that if Julius is a frog, and Emily is a wolf, then Sandra grabbed the apple. It is probably the case that if either Emily is a wolf, or Brian is a swan, then Jessica is a cat.
hypothesis: It is probably not the case that either Sandra grabbed the apple, or Jessica is a cat.
valid_hypothesis: It is probably not the case that either Sandra grabbed the apple, or Jessica is a cat.
invalid_hypothesis: It is probable that either Sandra grabbed the apple, or Jessica is a cat.
hypothesis_assertion: Either Sandra grabbed the apple, or Jessica is a cat.