context: There is almost no chance that Jessica is a mouse. It is certain that Brian is a rhino. We believe that Lily is gray. Chances are slight that if Jessica is a mouse, or Lily is gray, then John went to the hallway. It is likely that if Jessica is a mouse, and Brian is a rhino, then Greg is green. It is likely that if Brian is a rhino, or Jessica is a mouse, then Bernhard is white.
hypothesis: It is certain that brian is a rhino, or Jessica is a mouse.
valid_hypothesis: It is certain that brian is a rhino, or Jessica is a mouse.
invalid_hypothesis: It is impossible that brian is a rhino, or Jessica is a mouse.
hypothesis_assertion: Brian is a rhino, or Jessica is a mouse.