Anchor: A man wearing a black shirt is outside walking with a shopping cart.
Entailed: A man is wearing a black shirt outside.
Contradiction: A woman is wearing a black shirt outside.
Contradiction: The two children fly in a car.
Contradiction: The hill has skateboarders on it.
Contradiction: This is absolutely an argument in favor of decriminalizing drugs. 
Contradiction: I think it'd be a big change to stop using a computer.