context: We believe that Greg is a lion. It is unlikely that John got the apple. It is highly unlikely that Brian is a rhino.
hypothesis: We believe that john got the apple, and Greg is a lion.
valid_hypothesis: It is improbable that john got the apple, and Greg is a lion.
invalid_hypothesis: We believe that john got the apple, and Greg is a lion.
hypothesis_assertion: John got the apple, and Greg is a lion.