context: It is likely that John took the apple. It is highly unlikely that Greg is gray. It is probable that Mary went to the bedroom. It is likely that if either John took the apple, or Greg is gray, then Gertrude is a wolf. It is improbable that if Greg is gray, or Mary went to the bedroom, then Julius is a frog. We believe that if Mary went to the bedroom, or Greg is gray, then Bernhard is a swan.
hypothesis: It is highly likely that john took the apple, or Bernhard is a swan.
valid_hypothesis: It is highly likely that john took the apple, or Bernhard is a swan.
invalid_hypothesis: Chances are slight that john took the apple, or Bernhard is a swan.
hypothesis_assertion: John took the apple, or Bernhard is a swan.