Anchor: Spectators surround a bicycle race.
Entailed: A crowd of people are outside.
Contradiction: People are in a stadium watching a basketball game.
Contradiction: Men are fighting in the bar
Contradiction: I need to get clothing as dirty as I can so I use the streets of New York.  
Contradiction: A man pushes a mop down the hallway of a school.
Contradiction: The man is wearing black.