Anchor: A sidewalk artist wearing a black hoodie is creating a large installation of a woman on the sidewalk while being watched by many by-standers.
Entailed: A sidewalk artist works on one of his project.
Contradiction: A dog eats some ice cream that has fallen on the floor.
Contradiction: I remember that! 
Contradiction: The young child is playing
Contradiction: I have never heard of Paul Krugman.
Contradiction: The dog is moving towards the sheep.