Anchor: You must know SOMETHING to have advertised as you did? He leaned forward a little, his weary voice held a hint of persuasiveness.
Entailed: Do you know anything that was advertised as you did?
Contradiction: He backed away and said nothing to her.
Contradiction: He remained firm on his opposition of guns. 
Contradiction: Data brokers offer a batch of articles tailored to your tastes.
Contradiction: Two boys with heavy coats are skiing.
Contradiction: a person is playing in water