context: It is probably not the case that John dropped the apple. It is probably not the case that Julius is a rhino. It is probably the case that Greg is a rhino.
hypothesis: It is highly unlikely that john dropped the apple, and Julius is a rhino.
valid_hypothesis: It is highly unlikely that john dropped the apple, and Julius is a rhino.
invalid_hypothesis: It is certain that john dropped the apple, and Julius is a rhino.
hypothesis_assertion: John dropped the apple, and Julius is a rhino.