Anchor: Two basketball teams playing against each other, one team is USA.
Entailed: People are playing basketball.
Contradiction: A cat is chasing a mouse.
Contradiction: My name is Bob and I own this nursing home.  
Contradiction: There is a way to debate free-market pricing of technology.
Contradiction: There are no people
Contradiction: He wanted to learn more about Clinton harassing Kathleen Willey.