Anchor: A man in a green hat is walking by a concrete wall.
Entailed: A hat clad man is walking by a wall.
Contradiction: A man is going through a door.
Contradiction: A group of people play a video game.
Contradiction: In the middle of the 17th century, the Portuguese blockade was broken.
Contradiction: A man is poking boulders.
Contradiction: The unicyclist wears a blue shirt.