context: It is improbable that Bill dropped the milk. It is almost certain that Brian is gray. Chances are about even that Mary went to the hallway. Chances are slight that if Mary went to the hallway, and Bill dropped the milk, then Emily is a wolf. There is a better than even chance that if either Mary went to the hallway, or Bill dropped the milk, then Bernhard is yellow. It is unlikely that if Bill dropped the milk, or Brian is gray, then Julius is yellow.
hypothesis: It is likely that mary went to the hallway, and Emily is a wolf.
valid_hypothesis: It is impossible that mary went to the hallway, and Emily is a wolf.
invalid_hypothesis: It is likely that mary went to the hallway, and Emily is a wolf.
hypothesis_assertion: Mary went to the hallway, and Emily is a wolf.