context: It is highly unlikely that Brian is a lion. It is likely that Jessica is a cat. We doubt that Lily is a swan.
hypothesis: It is almost certain that either Lily is a swan, or Brian is a lion.
valid_hypothesis: It is probably not the case that either Lily is a swan, or Brian is a lion.
invalid_hypothesis: It is almost certain that either Lily is a swan, or Brian is a lion.
hypothesis_assertion: Either Lily is a swan, or Brian is a lion.