Anchor: A man in a red suit using a toothbrush to polish his bicycle rims.
Entailed: The man is polishing his bicycle rims.
Contradiction: The man is polishing his car rims.
Contradiction: A man behind a podium is speaking to people.
Contradiction: The teens are playing a game.
Contradiction: The rooms are entirely identical to one another. 
Contradiction: How have your own price, cross price and expenditure elasticizes changed over time?