context: There is a better than even chance that John went to the hallway. We believe that Lily is a rhino. It is probably the case that Sumit is thirsty. It is probably the case that if either Lily is a rhino, or Sumit is thirsty, then Greg is gray. We doubt that if Sumit is thirsty, and Lily is a rhino, then Jeff moved to the office. It is probably not the case that if Sumit is thirsty, and John went to the hallway, then Brian is green.
hypothesis: We believe that either Sumit is thirsty, or Greg is gray.
valid_hypothesis: We believe that either Sumit is thirsty, or Greg is gray.
invalid_hypothesis: Chances are slight that either Sumit is thirsty, or Greg is gray.
hypothesis_assertion: Either Sumit is thirsty, or Greg is gray.