Anchor: Petra was largely created in the first to third centuries b.c. by the Nabateans, an Arabic tribe who grew rich from trading with (and extracting protection money from) the great caravans which passed this way.
Entailed: Petra has been around since the first to third century b.c.
Contradiction: The Nabateans made all of their money from farming.
Contradiction: No one is interested in any kind of expansion of tax credits.
Contradiction: A man is near a copy machine.
Contradiction: He looked at her, not saying anything or touching her at all. 
Contradiction: He left the room.