Anchor: A black man wearing sunglasses drinks from a plastic container while standing next to a Verizon truck.
Entailed: Someone is drinking.
Contradiction: Nobody is wearing sunglasses.
Contradiction: These studies will have no effect on the standard emergency practices.
Contradiction: What have you been doing outside today? 
Contradiction: The girl is running around the park.
Contradiction: The man saw the sign that says 'free dinner'.