context: It is almost certain that Daniel put down the milk. There is a better than even chance that Lily is a swan. It is likely that Mary went to the hallway.
hypothesis: Chances are about even that lily is a swan, and Mary went to the hallway.
valid_hypothesis: Chances are about even that lily is a swan, and Mary went to the hallway.
invalid_hypothesis: It is certain that lily is a swan, and Mary went to the hallway.
hypothesis_assertion: Lily is a swan, and Mary went to the hallway.