Anchor: Two motorcyclists on a track.
Entailed: The motorcyclists are outside.
Contradiction: The motorcyclists are standing on the street.
Contradiction: Carriers must travel down roads not typically on their route in rural areas to deliver mail.
Contradiction: I'm not proud of everything I have done in my life. 
Contradiction: The woman is waiting for the bus.
Contradiction: The man was bleeding while riding a horse.