Assertion: rio de janeiro's area | /r/HasProperty | built
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Source sentences:
text: The fourth edition of Rock in Rio, back to its origins, was held on September 23, 24, 25, 29 and 30, and October 1 and 2, 2011, at an area (pt) to be built next to the old City of Rock – which is currently the site of the Olympic Village of the 2016 Summer Olympics.