Anchor: He'd apologize if he found him there.
Entailed: If he found him there he would apologize.
Contradiction: He was determined never to apologize to him for any reason.
Contradiction: The bikers from mars rode their bikes over a dirt mount.
Contradiction: It was our primary trade for centuries.
Contradiction: The girls are swimming in the ocean.
Contradiction: Severn was silent for a bit.