context: It is unlikely that Greg is a lion. It is probable that John dropped the apple. It is certain that Mary went to the bedroom.
hypothesis: It is certain that john dropped the apple, or Mary went to the bedroom.
valid_hypothesis: It is certain that john dropped the apple, or Mary went to the bedroom.
invalid_hypothesis: It is impossible that john dropped the apple, or Mary went to the bedroom.
hypothesis_assertion: John dropped the apple, or Mary went to the bedroom.