Anchor: It's near the port; its clocktower is a famous landmark.
Entailed: Its clocktower is a famous landmark, it is near the port.
Contradiction: The clocktower was a famous landmark, but now it is gone.
Contradiction: Two boys playing in the park.
Contradiction: The crew is full of people who are not smart.
Contradiction: It was up to Jesus to come through on his boast.
Contradiction: All life is suffering according to his four noble truths.