Anchor:  He pulled himself back, but Ser Perth and the nurse leaped forward to hold him.
Entailed: Ser Perth jumped up to hold him after he pulled himself back.
Contradiction: Ser Perth and the nurse made no effort to hold him. 
Contradiction: A single woman holds a purse in her hand at the beach
Contradiction: A woman walks on a street.
Contradiction: a dog is chasing a ball.
Contradiction: These two boys are preparing dinner.