Anchor: This man is skiing in the white snow and going through a course of some kind.
Entailed: A person is skiing in the snow.
Contradiction: A person sits in a sauna.
Contradiction: The Western and Eastern Empires fell at the same time.
Contradiction: The tourists are enjoying the city.
Contradiction: I live in a bustling city.
Contradiction: There are weaknesses in the knowledge of costs.