premise: A man in a blue jogging suit is running on the sidewalk in front of a painting. hypothesis: A man is running on a sidewalk with no painting.
contradiction: The man can't be running in front of the painting if there is no painting.|contradiction: There is either no painting or the man jogs on the sidewalk in front of a painting.|contradiction: If a man is running in front of a painting, it cannot be claimed that there is no painting.