Anchor: Grim faces and hardened jaws are not people-friendly.
Entailed: People do not find grim faces and hardened jaws friendly. 
Contradiction: People love to interact with people having grim faces and hardened jaws according to the recently completed study.
Contradiction: A woman is sleeping.
Contradiction: Three people playing table football near a partially drank beer.
Contradiction: The people with Native American headdresses are dancing in the park.
Contradiction: You will follow the elephants in a vehicle while looking for the tiger.