Anchor: A guy is operating a bulldozer, and they are working on the sewer lines.
Entailed: The man is using a bulldozer.
Contradiction: The man is playing with children.
Contradiction: Yes I think so and not the Indian meals. 
Contradiction: The center in the main courthouse law library of waukegan could open this summer 
Contradiction: Three men are sitting in a park
Contradiction: The child is happy.