context: There is a better than even chance that Bernhard is a frog. There is little chance that Lily is a swan. Chances are slight that Sandra took the football.
hypothesis: It is highly unlikely that bernhard is a frog, and Sandra took the football.
valid_hypothesis: It is highly unlikely that bernhard is a frog, and Sandra took the football.
invalid_hypothesis: There is a better than even chance that bernhard is a frog, and Sandra took the football.
hypothesis_assertion: Bernhard is a frog, and Sandra took the football.