premise: A young Asian child stands at the top of some steps and does n't seem to notice the person taking their picture. hypothesis: A child notices his mom taking a picture.
contradiction: The child cannot both notice that his mom is taking a picture while also not noticing the person taking the picture.|contradiction: A child does not have to be young or Asian.  A person does not have to be a mom.|contradiction: If a person doesn't seem to notice something they can't notice something too. Those things contradict each other.