context: We doubt that John went to the hallway. We believe that Greg is white. There is almost no chance that Julius is a lion.
hypothesis: Chances are slight that john went to the hallway, and Greg is white.
valid_hypothesis: Chances are slight that john went to the hallway, and Greg is white.
invalid_hypothesis: It is probable that john went to the hallway, and Greg is white.
hypothesis_assertion: John went to the hallway, and Greg is white.