context: There is little chance that Lily is a frog. It is highly unlikely that Brian is white. It is unlikely that Julius is a swan.
hypothesis: There is almost no chance that julius is a swan, and Brian is white.
valid_hypothesis: There is almost no chance that julius is a swan, and Brian is white.
invalid_hypothesis: There is a very good chance that julius is a swan, and Brian is white.
hypothesis_assertion: Julius is a swan, and Brian is white.