Text: The largest of the three, the Great Pyramid of Cheops is the only survivor of the Seven Wonders of the World described by Greek and Roman scholars.
Entailment: There is only 1 surviving Seven Wonders of the World and that is the Great Pyramid.
Contradiction: The smallest of the three, the Great Pyramid of Cheops is one of the first of the Seven Wonders of the World to disappear.