Anchor: An article derides the lack of authentic pop-music acts.
Entailed: The lack of authentic pop-music acts is derided by the article.
Contradiction: There is no loack of authentic pop-music acts.
Contradiction: The centers don't get anything for the cans.
Contradiction: People are shopping
Contradiction: I am not a fan of violent movies. 
Contradiction: A group of older people sit in chairs.