context: It is highly likely that Bill went to the hallway. It is likely that Brian is gray. It is improbable that Bernhard is a rhino. There is almost no chance that if either Bernhard is a rhino, or Brian is gray, then Gertrude is a mouse. It is almost certain that if Bernhard is a rhino, and Brian is gray, then Lily is a lion. There is little chance that if Brian is gray, and Bernhard is a rhino, then Sandra left the milk.
hypothesis: It is improbable that either Bernhard is a rhino, or Gertrude is a mouse.
valid_hypothesis: It is improbable that either Bernhard is a rhino, or Gertrude is a mouse.
invalid_hypothesis: We believe that either Bernhard is a rhino, or Gertrude is a mouse.
hypothesis_assertion: Either Bernhard is a rhino, or Gertrude is a mouse.