context: It is probable that Mary went to the hallway. It is unlikely that Greg is a swan. Chances are slight that Lily is a rhino. It is unlikely that if either Greg is a swan, or Mary went to the hallway, then Julius is gray. It is impossible that if either Lily is a rhino, or Greg is a swan, then Bernhard is yellow. It is certain that if either Lily is a rhino, or Greg is a swan, then John got the apple.
hypothesis: There is almost no chance that lily is a rhino, and Greg is a swan.
valid_hypothesis: There is almost no chance that lily is a rhino, and Greg is a swan.
invalid_hypothesis: It is almost certain that lily is a rhino, and Greg is a swan.
hypothesis_assertion: Lily is a rhino, and Greg is a swan.