Anchor: She is hitting the tennis ball over the line.
Entailed: She is hitting a ball.
Contradiction: She is hitting a ping pong ball.
Contradiction: She does not have trust in anything at all. 
Contradiction: Without a motor, someone has to wind them.
Contradiction: The climber is naked and singing "hit me baby one more time".
Contradiction: When played live, it has a haunting melody that tends to overload speakers.