context: It is impossible that Fred went to the bedroom. It is impossible that Greg is a frog. There is a very good chance that Gertrude is a wolf.
hypothesis: We believe that greg is a frog, and Fred went to the bedroom.
valid_hypothesis: It is impossible that greg is a frog, and Fred went to the bedroom.
invalid_hypothesis: We believe that greg is a frog, and Fred went to the bedroom.
hypothesis_assertion: Greg is a frog, and Fred went to the bedroom.