Anchor: One of the wrestlers has pinned his opponent.
Entailed: One of the wrestlers has pinned his opponent.
Contradiction: One of the wrestlers was arrested for drugs.
Contradiction: Backpackers unwind after a long hike.
Contradiction: Both men have on at least one pair of sunglasses.
Contradiction: The city is visible from very far away.
Contradiction: The protocol to be followed when revising the standard is outlined in the letter.