context: There is a very good chance that Lily is a rhino. It is certain that Greg is white. It is highly unlikely that John is in the hallway. It is probably not the case that if either Lily is a rhino, or John is in the hallway, then Brian is yellow. It is probable that if either Greg is white, or John is in the hallway, then Mary got the milk. It is impossible that if Lily is a rhino, and John is in the hallway, then Gertrude is a mouse.
hypothesis: It is probable that mary got the milk, and Greg is white.
valid_hypothesis: It is probable that mary got the milk, and Greg is white.
invalid_hypothesis: It is probably not the case that mary got the milk, and Greg is white.
hypothesis_assertion: Mary got the milk, and Greg is white.