Anchor: Two children play street hockey in front of a goal.
Entailed: Two children play sports outside.
Contradiction: The two children fly in a car.
Contradiction: It's really ugly and gross to camp here because of all the hills. 
Contradiction: Poirot's sudden departure had interested us all very much.
Contradiction: the friends are asleep
Contradiction: A man is in a giant plastic ball that is in water and he is wearing an orange shirt.