Anchor: One man is making sure the scope is right and the other is getting ready to shoot the gun.
Entailed: Two men are outdoors.
Contradiction: Two men are participating in an anti gun rally.
Contradiction: A man playing football.
Contradiction: An artist is at work.
Contradiction: The Lusitania hadn't been hit by any torpedoes and was floating in the water just fine. 
Contradiction: Six bicyclist competing in a race are fallng over near one another outside.