Anchor: Roger Federer strikes a tennis ball with a forehand swing on a tennis court.
Entailed: Federer is a famous pro tennis athlete.
Contradiction: Federer is a famous swimmer.
Contradiction: A person in a plaid shirt is sending a picture of a black Audi.
Contradiction: Was everyone so sad about Mrs. Ingkethorp's passing? 
Contradiction: A brown dog is running in the park.
Contradiction: Sure, it's a fantastic thing!