Anchor: a lone skateboarder skating down a rail near some stairs.
Entailed: Skateboarder going downhill
Contradiction: Boy riding a moped
Contradiction: The Russian was annoyed at the strict formality and attention paid to etiquette. 
Contradiction: A man is checking his dishes.
Contradiction: The boats are sinking.
Contradiction: In February there is camel racing at Jaisalmer.