Anchor: A large portion of response-to-advertising mail involves a payment and is included in bill/payment mail.
Entailed: A large portion of mail involves a payment, so it's included in bill/payment.
Contradiction: A large portion of mail involves a payment, so it's not included in bill/payment.
Contradiction: Marion Tinsley lived a long life before dying of old age.
Contradiction: Two boys sit in a toy car.
Contradiction: a large dog helps a policeman fight crime
Contradiction: Can you call on the weekend?