context: It is highly likely that John went to the hallway. It is unlikely that Mary moved to the garden. It is probably not the case that Winona is a sheep.
hypothesis: There is a very good chance that mary moved to the garden, and John went to the hallway.
valid_hypothesis: We doubt that mary moved to the garden, and John went to the hallway.
invalid_hypothesis: There is a very good chance that mary moved to the garden, and John went to the hallway.
hypothesis_assertion: Mary moved to the garden, and John went to the hallway.