premise: A man wearing a jacket is listening to headphones while walking down the sidewalk along a street. hypothesis: A baby sits in a crib.
contradiction: A man is a grown adult human being while a baby is an immature human being.|contradiction: A baby does not sit on a crib in a street.|contradiction: man wearing a jacket and  listening to headphones while walking down the sidewalk along a street cannot be attending to a baby sitting in a crib.