Anchor: Guys riding skateboards in a skate park.
Entailed: Skateboarders are riding in a skate park.
Contradiction: A dog and a cat are playing.
Contradiction: Two men are drinking coffee.
Contradiction: The serious aspects of life must be focused on before you can have fun.
Contradiction: movies bore me, i don't get much entertainment value from them
Contradiction: She has opened a store and I admire her for it.