Anchor: A black man plays guitar while another man watches.
Entailed: There are two men, one playing guitar, the other watching.
Contradiction: The two men sit down to play poker with their friends.
Contradiction: You can clearly see the distant horizon even past the Sierra de Guadarrama.
Contradiction: My wife grew up in Galveston. 
Contradiction: A ruined chapel does not give solace to disgraced princes and other noblemen in confinement.
Contradiction: A soccer player is falling as another takes the ball.