Anchor: A man standing and playing guitar to an almost empty city plaza.
Entailed: A guy is strumming his guitar to only a few people.
Contradiction: A man plays a guitar at a crowded concert.
Contradiction: The man is playing the saxophone in the crowded plaza.
Contradiction: Man sitting down on the ground while he plays music on a guitar.
Contradiction: A musician is playing his electric guitar on stage, in front of a large crowd.
Contradiction: A woman playing a grand piano to a huge crowd.