premise: A wall with a rainbow leading to a cup of coffee saying Joe's Cafe, there are three people sitting on a bench by the wall and, one is playing a guitar. hypothesis: Three men are painting a mural with a rainbow leading to a cup of coffee.
contradiction: The men are unlikely to be sitting on a bench while painting a mural. It is also highly improbable that one of the man is both playing a guitar and painting at the same time.