Anchor: right in the middle of the the back you know wasn't a seam or anything you know
Entailed: It wasn't a seam or anything, right at the center of the back. 
Contradiction: It had a seam right in the back. 
Contradiction: A mother is talking to her child, but her child is not listening.
Contradiction: The risk of re-injury was demonstrated to be lower.
Contradiction: Two workers are napping on their break.
Contradiction: A man in a red shirt is walking down the sidewalk.