context: It is improbable that John put down the milk. Chances are slight that Jeff went to the kitchen. It is highly likely that Greg is yellow. There is a better than even chance that if either Jeff went to the kitchen, or John put down the milk, then Bernhard is a lion. It is improbable that if Greg is yellow, and John put down the milk, then Lily is green. There is a better than even chance that if either Greg is yellow, or John put down the milk, then Gertrude is a mouse.
hypothesis: It is highly unlikely that gertrude is a mouse, and Jeff went to the kitchen.
valid_hypothesis: It is highly unlikely that gertrude is a mouse, and Jeff went to the kitchen.
invalid_hypothesis: There is a very good chance that gertrude is a mouse, and Jeff went to the kitchen.
hypothesis_assertion: Gertrude is a mouse, and Jeff went to the kitchen.