Anchor: He rang me up, he volunteered.
Entailed: He volunteered with a phone call to me.
Contradiction: There was no phone call and he certainly never volunteered for anything.
Contradiction: The crusaders were ignored and not discussed. 
Contradiction: He looked at him long and deep and they shared an understanding. 
Contradiction: The group is carring elephants
Contradiction: Two boys are playing in water.