Anchor: A defensive football player attempts tackling an offensive football player holding a football.
Entailed: The defender is attempting to halt forward progress.
Contradiction: The defender is distracted and not paying attention.
Contradiction: It's a weird phenomena that's been around for ages.
Contradiction: My self-respect is what I kept by the way. 
Contradiction: You are talking about public colleges and private colleges.
Contradiction: Two dogs were holding something together in their mouths.