context: It is highly likely that John went to the hallway. It is likely that Lily is a swan. Chances are slight that Mary put down the apple.
hypothesis: There is a better than even chance that john went to the hallway, and Lily is a swan.
valid_hypothesis: There is a better than even chance that john went to the hallway, and Lily is a swan.
invalid_hypothesis: Chances are slight that john went to the hallway, and Lily is a swan.
hypothesis_assertion: John went to the hallway, and Lily is a swan.