Anchor: A band is playing under a tent while people watch them play from chairs several yards away.
Entailed: There is people watching the band.
Contradiction: The band is playing in front of noone.
Contradiction: They were very careful in their miniskirts.
Contradiction: At first, he was sure that the person was not guilty, but voted "guilty" after deliberations ended. 
Contradiction: A utility worker laughed while checking machine.
Contradiction: A person with blond hair is walking.