context: Chances are slight that Julius is a rhino. It is highly likely that Jessica is a mouse. It is impossible that Mary went to the hallway. There is little chance that if Jessica is a mouse, and Julius is a rhino, then Lily is white. It is highly likely that if Jessica is a mouse, or Mary went to the hallway, then Bernhard is a swan. There is a very good chance that if either Julius is a rhino, or Mary went to the hallway, then Brian is a lion.
hypothesis: We believe that jessica is a mouse, and Lily is white.
valid_hypothesis: It is impossible that jessica is a mouse, and Lily is white.
invalid_hypothesis: We believe that jessica is a mouse, and Lily is white.
hypothesis_assertion: Jessica is a mouse, and Lily is white.