context: It is impossible that Lily is a rhino. It is unlikely that Mary is in the hallway. It is probably not the case that John went to the hallway.
hypothesis: It is impossible that mary is in the hallway, and Lily is a rhino.
valid_hypothesis: It is impossible that mary is in the hallway, and Lily is a rhino.
invalid_hypothesis: It is certain that mary is in the hallway, and Lily is a rhino.
hypothesis_assertion: Mary is in the hallway, and Lily is a rhino.