Anchor: People wait on a mass transit platform while a train speeds by.
Entailed: People are out in the city.
Contradiction: A group of people are inside the restaurant.
Contradiction: She was not allowed a piece of cake. 
Contradiction: A person is playing a game with his friends.
Contradiction: My house is surrounded by the desert and there's no trees in sight.
Contradiction: There's a very slim chance that the clone is of the ewe's fetus.