context: It is highly unlikely that Brian is gray. It is probably not the case that Mary moved to the office. Chances are about even that Bernhard is yellow. There is almost no chance that if Brian is gray, or Bernhard is yellow, then John went to the kitchen. There is almost no chance that if either Mary moved to the office, or Brian is gray, then Fred is in the kitchen. It is unlikely that if Brian is gray, or Mary moved to the office, then Winona is a wolf.
hypothesis: It is highly unlikely that bernhard is yellow, or Fred is in the kitchen.
valid_hypothesis: Chances are about even that bernhard is yellow, or Fred is in the kitchen.
invalid_hypothesis: It is highly unlikely that bernhard is yellow, or Fred is in the kitchen.
hypothesis_assertion: Bernhard is yellow, or Fred is in the kitchen.