Anchor: The extra step of height there enabled him to get a good look at two more horsemen pushing past the end wagon.
Entailed: Going up one step higher gave him a better view at two horsemen moving past the end wagon. 
Contradiction: He was not able to go up any higher, so he couldn't get a better view. 
Contradiction: The boy is looking at the stars.
Contradiction: I didn't think it was worth waiting.
Contradiction: People riding bicycles
Contradiction: The finished facility came how close to the planned objectives and cost?