Anchor: Two men are walking on the street in front of a subway stop, and one has his umbrella opened and at his side.
Entailed: A couple guys are outside
Contradiction: Two men are running on the street.
Contradiction: Two men, one with an umbrella, float down a river dodging alligators
Contradiction: The men are sitting at the subway station, with their umbrellas over them.
Contradiction: The two men are at a baseball game.
Contradiction: Nobody is walking.