context: It is likely that Emily is a cat. It is impossible that Brian is a frog. There is a very good chance that Jeff went to the bedroom.
hypothesis: There is a better than even chance that brian is a frog, and Jeff went to the bedroom.
valid_hypothesis: It is impossible that brian is a frog, and Jeff went to the bedroom.
invalid_hypothesis: There is a better than even chance that brian is a frog, and Jeff went to the bedroom.
hypothesis_assertion: Brian is a frog, and Jeff went to the bedroom.