context: It is probable that Julius is green. It is certain that Greg is gray. It is likely that Brian is green. It is probable that if Brian is green, and Greg is gray, then Bernhard is a rhino. It is improbable that if Brian is green, and Julius is green, then Bill went to the kitchen. It is highly likely that if Greg is gray, and Julius is green, then Lily is a swan.
hypothesis: It is unlikely that julius is green, or Brian is green.
valid_hypothesis: It is highly likely that julius is green, or Brian is green.
invalid_hypothesis: It is unlikely that julius is green, or Brian is green.
hypothesis_assertion: Julius is green, or Brian is green.