context: It is probably the case that Julius is a rhino. It is almost certain that Brian is a swan. It is highly unlikely that Mary went to the bedroom.
hypothesis: It is almost certain that brian is a swan, or Mary went to the bedroom.
valid_hypothesis: It is almost certain that brian is a swan, or Mary went to the bedroom.
invalid_hypothesis: It is unlikely that brian is a swan, or Mary went to the bedroom.
hypothesis_assertion: Brian is a swan, or Mary went to the bedroom.