context: It is likely that Bernhard is a swan. There is almost no chance that Greg is yellow. It is impossible that Julie is in the bedroom.
hypothesis: It is likely that either Bernhard is a swan, or Julie is in the bedroom.
valid_hypothesis: It is likely that either Bernhard is a swan, or Julie is in the bedroom.
invalid_hypothesis: It is probably not the case that either Bernhard is a swan, or Julie is in the bedroom.
hypothesis_assertion: Either Bernhard is a swan, or Julie is in the bedroom.