Text: Due east of New Delhi's India Gate the much-plundered 16th-century Purana Qila (Old Fort) stands on an ancient mound, now believed to mark the site of Indraprastha of the Mahabharata epic.
Entailment: The Purana Qila (Old Fort) was a popular target for plundering.
Contradiction: Purana Qila, a 16th-century fort was built into the cliff of a mountain.