Anchor: A snowboarder does a trick on a half pipe.
Entailed: There is a ramp used for snowboarding visible here.
Contradiction: This picture shows a dog digging in the dirt.
Contradiction: James Edward Stuart was able to reach his final destination as planned without any hindrances. 
Contradiction: Some people are standing.
Contradiction: Players at a baseball game.
Contradiction: there are four people in the room.