context: It is almost certain that Julius is yellow. It is impossible that John took the football. It is improbable that Brian is gray. There is little chance that if either Brian is gray, or John took the football, then Mary moved to the office. It is highly likely that if either John took the football, or Julius is yellow, then Winona is a mouse. It is improbable that if Julius is yellow, or John took the football, then Lily is a lion.
hypothesis: We doubt that either Lily is a lion, or Brian is gray.
valid_hypothesis: We doubt that either Lily is a lion, or Brian is gray.
invalid_hypothesis: It is almost certain that either Lily is a lion, or Brian is gray.
hypothesis_assertion: Either Lily is a lion, or Brian is gray.