context: It is probably the case that Greg is gray. There is a better than even chance that Lily is a rhino. It is highly unlikely that John went to the bedroom.
hypothesis: It is highly unlikely that greg is gray, and Lily is a rhino.
valid_hypothesis: Chances are about even that greg is gray, and Lily is a rhino.
invalid_hypothesis: It is highly unlikely that greg is gray, and Lily is a rhino.
hypothesis_assertion: Greg is gray, and Lily is a rhino.