context: It is highly likely that Julius is gray. It is highly unlikely that Mary went to the hallway. Chances are slight that Brian is a swan.
hypothesis: It is highly likely that julius is gray, or Brian is a swan.
valid_hypothesis: It is highly likely that julius is gray, or Brian is a swan.
invalid_hypothesis: It is impossible that julius is gray, or Brian is a swan.
hypothesis_assertion: Julius is gray, or Brian is a swan.