context: Chances are slight that Julius is a swan. There is little chance that Sandra took the milk. It is highly likely that Lily is white.
hypothesis: It is almost certain that sandra took the milk, and Lily is white.
valid_hypothesis: There is little chance that sandra took the milk, and Lily is white.
invalid_hypothesis: It is almost certain that sandra took the milk, and Lily is white.
hypothesis_assertion: Sandra took the milk, and Lily is white.