context: It is likely that Lily is a lion. We doubt that John took the football. There is a better than even chance that Greg is yellow. It is almost certain that if John took the football, and Lily is a lion, then Mary grabbed the milk. It is improbable that if John took the football, and Lily is a lion, then Bernhard is gray. It is probable that if Greg is yellow, and John took the football, then Brian is a rhino.
hypothesis: It is highly unlikely that either Lily is a lion, or John took the football.
valid_hypothesis: There is a better than even chance that either Lily is a lion, or John took the football.
invalid_hypothesis: It is highly unlikely that either Lily is a lion, or John took the football.
hypothesis_assertion: Either Lily is a lion, or John took the football.