premise: A man in long plaid shorts and a Easter hat carrying a black bookbag walks with a heavyset woman with pink hair and wearing a hippie style dress walk away from the camera following many other similarly dressed people. hypothesis: The man and woman are riding down main street on a Harley motorcycle, following a huge processional of other bikers during an annual bike-rally on 4th of July.
contradiction: The two people cannot be on  a Harley motorcycle and walk away at the same time.