context: There is a very good chance that Julius is a rhino. It is unlikely that Brian is gray. It is certain that Sandra grabbed the milk. It is likely that if either Brian is gray, or Sandra grabbed the milk, then Mary moved to the office. It is improbable that if Sandra grabbed the milk, or Brian is gray, then John went to the hallway. It is almost certain that if Julius is a rhino, or Brian is gray, then Bernhard is a swan.
hypothesis: We believe that julius is a rhino, and Bernhard is a swan.
valid_hypothesis: We believe that julius is a rhino, and Bernhard is a swan.
invalid_hypothesis: It is improbable that julius is a rhino, and Bernhard is a swan.
hypothesis_assertion: Julius is a rhino, and Bernhard is a swan.