context: There is almost no chance that Brian is yellow. There is almost no chance that John went to the hallway. We doubt that Bernhard is a swan.
hypothesis: We doubt that either Bernhard is a swan, or John went to the hallway.
valid_hypothesis: We doubt that either Bernhard is a swan, or John went to the hallway.
invalid_hypothesis: It is highly likely that either Bernhard is a swan, or John went to the hallway.
hypothesis_assertion: Either Bernhard is a swan, or John went to the hallway.