Anchor: To recharge the batteries, you needed a charger, which was stored in a small suitcase.
Entailed: You needed a charger, stored in a small suitcase, to recharge the batteries.
Contradiction: You never needed a charger for anything.
Contradiction: We don't agree with each other.
Contradiction: The workers are getting closer to the tunnel.
Contradiction: Eastern horses are well mannered and not dangerous at all.
Contradiction: A skiier does a jump