premise: A female child in a white, long-sleeved shirt is kneeling on a couch, laughing as her hair is sticking up. hypothesis: A child yells angrily at her mother.
contradiction: The child can not yell angrily if she is laughing in sentence one.|contradiction: A child laughs in the first sentence then in second the child yells angrily and is not the same at all.|contradiction: A child cannot be laughing and yelling angrily simultaneously.