context: We believe that Bernhard is a rhino. It is probably the case that Lily is yellow. Chances are about even that Sandra grabbed the apple. There is a very good chance that if Lily is yellow, or Sandra grabbed the apple, then Brian is a swan. It is probably the case that if Lily is yellow, and Bernhard is a rhino, then Julius is green. It is probably the case that if Sandra grabbed the apple, and Bernhard is a rhino, then Mary went to the hallway.
hypothesis: Chances are about even that either Julius is green, or Brian is a swan.
valid_hypothesis: Chances are about even that either Julius is green, or Brian is a swan.
invalid_hypothesis: It is impossible that either Julius is green, or Brian is a swan.
hypothesis_assertion: Either Julius is green, or Brian is a swan.