context: It is almost certain that John moved to the garden. We believe that Daniel grabbed the milk. There is almost no chance that Gertrude is a mouse. It is improbable that if Gertrude is a mouse, and John moved to the garden, then Sandra got the football. It is likely that if John moved to the garden, or Daniel grabbed the milk, then Bernhard is gray. There is a better than even chance that if Gertrude is a mouse, and Daniel grabbed the milk, then Mary went to the office.
hypothesis: It is impossible that sandra got the football, and Gertrude is a mouse.
valid_hypothesis: It is impossible that sandra got the football, and Gertrude is a mouse.
invalid_hypothesis: It is probable that sandra got the football, and Gertrude is a mouse.
hypothesis_assertion: Sandra got the football, and Gertrude is a mouse.