Anchor: Two men on a yellow and green mat are competing in a sporting event where they have to fight and people are watching.
Entailed: The men are having a competition.
Contradiction: The two men are singing a song together.
Contradiction: People sit on a trolley.
Contradiction: John wanted us to go into the smoking room.  
Contradiction: Kaliszewski is a janitor with a full head of hair.
Contradiction: A girl stands on a soccer field.