context: Chances are slight that Bill went to the cinema. It is likely that Greg is a lion. It is highly unlikely that Mary picked up the apple. There is a better than even chance that if Mary picked up the apple, or Greg is a lion, then Brian is green. It is probable that if Greg is a lion, and Bill went to the cinema, then Winona is a mouse. It is impossible that if Bill went to the cinema, or Mary picked up the apple, then Sandra grabbed the milk.
hypothesis: It is highly unlikely that winona is a mouse, or Sandra grabbed the milk.
valid_hypothesis: It is highly unlikely that winona is a mouse, or Sandra grabbed the milk.
invalid_hypothesis: It is certain that winona is a mouse, or Sandra grabbed the milk.
hypothesis_assertion: Winona is a mouse, or Sandra grabbed the milk.