context: It is probably the case that Fred went to the bedroom. It is certain that Greg is gray. Chances are slight that Bernhard is a rhino.
hypothesis: It is improbable that either Bernhard is a rhino, or Fred went to the bedroom.
valid_hypothesis: It is probably the case that either Bernhard is a rhino, or Fred went to the bedroom.
invalid_hypothesis: It is improbable that either Bernhard is a rhino, or Fred went to the bedroom.
hypothesis_assertion: Either Bernhard is a rhino, or Fred went to the bedroom.