context: It is highly likely that Julius is gray. It is highly unlikely that Fred is in the park. There is a very good chance that Bernhard is a swan.
hypothesis: It is probably not the case that either Fred is in the park, or Julius is gray.
valid_hypothesis: It is highly likely that either Fred is in the park, or Julius is gray.
invalid_hypothesis: It is probably not the case that either Fred is in the park, or Julius is gray.
hypothesis_assertion: Either Fred is in the park, or Julius is gray.