context: We believe that Fred went to the hallway. We believe that Winona is a mouse. It is highly unlikely that Emily is a wolf. It is probably not the case that if Fred went to the hallway, or Emily is a wolf, then Mary moved to the office. It is probably the case that if Fred went to the hallway, or Emily is a wolf, then John put down the milk. It is highly unlikely that if Fred went to the hallway, and Winona is a mouse, then Bernhard is white.
hypothesis: Chances are about even that either Winona is a mouse, or John put down the milk.
valid_hypothesis: Chances are about even that either Winona is a mouse, or John put down the milk.
invalid_hypothesis: It is almost certain that either Winona is a mouse, or John put down the milk.
hypothesis_assertion: Either Winona is a mouse, or John put down the milk.