context: It is probably the case that Gertrude is a mouse. It is improbable that Bernhard is gray. It is unlikely that Bill got the milk there. There is a very good chance that if Bill got the milk there, and Bernhard is gray, then John went to the bedroom. There is almost no chance that if Gertrude is a mouse, and Bill got the milk there, then Fred left the football. It is probable that if Gertrude is a mouse, and Bill got the milk there, then Lily is a rhino.
hypothesis: We believe that bernhard is gray, or Gertrude is a mouse.
valid_hypothesis: We believe that bernhard is gray, or Gertrude is a mouse.
invalid_hypothesis: It is highly unlikely that bernhard is gray, or Gertrude is a mouse.
hypothesis_assertion: Bernhard is gray, or Gertrude is a mouse.