context: There is little chance that Lily is yellow. It is highly likely that Greg is a swan. Chances are slight that Sandra left the football.
hypothesis: There is little chance that lily is yellow, and Greg is a swan.
valid_hypothesis: There is little chance that lily is yellow, and Greg is a swan.
invalid_hypothesis: It is certain that lily is yellow, and Greg is a swan.
hypothesis_assertion: Lily is yellow, and Greg is a swan.