context: It is probable that Lily is gray. We believe that Greg is a rhino. It is almost certain that Mary moved to the office. It is improbable that if Greg is a rhino, and Lily is gray, then Brian is a swan. It is likely that if Greg is a rhino, and Mary moved to the office, then John went to the bedroom. It is highly likely that if either Lily is gray, or Greg is a rhino, then Julius is a lion.
hypothesis: Chances are about even that john went to the bedroom, and Greg is a rhino.
valid_hypothesis: Chances are about even that john went to the bedroom, and Greg is a rhino.
invalid_hypothesis: There is almost no chance that john went to the bedroom, and Greg is a rhino.
hypothesis_assertion: John went to the bedroom, and Greg is a rhino.