Who built Petra?
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Petra is different from the other places.
The city of Petra is a different place from Petra .
Who built Petra?</s> [unused1]Petra                [unused2] is different from the other places.
Who built Petra?</s>Petra is different from the other places.
Who built Petra?</s>The city of [unused1]Petra                [unused2] is a different place from
Who built Petra?</s>The city of Petra is a different place from Petra .
Who built Petra?</s>Petra,0,Petra,Petra,different from,[unused1]Petra[unused2],[unused1]Petra[unused2],different from,Petra,[unused1]Petra[unused2],0,[unused1]Petra[unused2]
Who built Petra?</s>Petra,0,Petra,Petra,different from,Petra,Petra,different from,Petra,Petra,0,Petra