Anchor: Two little boys are playing on a playground.
Entailed: The boys are outdoors.
Contradiction: Two goldfish are riding bikes in a giant pile of mashed potatoes.
Contradiction: I do not understand why there wouldn't be a stall open. 
Contradiction: someone used eBay to sell someone outrageously expensive.
Contradiction: men hold hands and walk in the ocean
Contradiction: A rainy day with landscape professionals blowing leaves.