context: It is probable that Greg is a rhino. It is probable that Jessica is a mouse. Chances are about even that Julius is white. There is a better than even chance that if Julius is white, or Jessica is a mouse, then Mary went to the hallway. Chances are slight that if Julius is white, or Jessica is a mouse, then Brian is gray. There is a better than even chance that if Jessica is a mouse, or Julius is white, then Sandra grabbed the apple.
hypothesis: There is little chance that sandra grabbed the apple, or Mary went to the hallway.
valid_hypothesis: It is probable that sandra grabbed the apple, or Mary went to the hallway.
invalid_hypothesis: There is little chance that sandra grabbed the apple, or Mary went to the hallway.
hypothesis_assertion: Sandra grabbed the apple, or Mary went to the hallway.