Question: Information: - A road is a thoroughfare, route, or way on land between two places that has been paved or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse. - Jalan Besar (literally Malay for "large road", but taken to mean "Main Road") is a street in Kallang, Singapore. - Kallang is a planning area and residential town located in the Central Region of Singapore. - DUO ( Chinese : ) is a contemporary twin - tower integrated mixed - use development ( comprising residential accommodation , offices , a hotel and a retail gallery ) located on a site bordered by Ophir Road , Rochor Road and Beach Road in Singapore . Designed by architect Ole Scheeren and scheduled for completion in 2017 . DUO will be directly connected to the Bugis MRT station served by the East West Line and Downtown Line via underground pedestrian linkways , providing easy access to the Central Business District , Marina Bay and major shopping , dining and entertainment areas at Orchard Road and the Singapore River . - Mixed-use development is a type of urban development that blends residential, commercial, cultural, institutional, or industrial uses, where those functions are physically and functionally integrated, and that provides pedestrian connections. Mixed-use development can take the form of a single building, a city block, or entire neighbourhoods. The term may also be used more specifically to refer to a mixed-use real estate development projecta building, complex of buildings, or district of a town or city that is developed for mixed-use by a private developer, (quasi-) governmental agency, or a combination thereof. - The Ayer Rajah Expressway (Abbreviation: AYE) extends from the western end of the Marina Coastal Expressway in the south of Singapore to Tuas in the west near the Tuas Second Link to Malaysia. Together with the Marina Coastal Expressway and the East Coast Parkway, it forms a second east-west link to complement the role played by the Pan Island Expressway. - Rochor is a planning area located within the Central Area of the Central Region of Singapore. Rochor shares boundaries with the following planning areas - Kallang to the north and east, Newton to the west, as well as Museum and the Downtown Core to the south. - Singapore Changi Airport , or simply Changi Airport, is the primary civilian airport for Singapore, and one of the largest transportation hubs in Southeast Asia. It is currently the World's Best Airport (Skytrax 2016), for the fourth consecutive year and counting (Skytrax's World's Best Airport 2013-2016) and is one of the world's busiest airports by international passenger traffic and cargo traffic. The airport is located in Changi, at the eastern end of Singapore, approximately northeast from Marina Bay (in Singapore's Downtown Core), on a site. It is operated by Changi Airport Group and it is the home base of Singapore Airlines, Singapore Airlines Cargo, SilkAir, Scoot, Tigerair, Jetstar Asia Airways and BOC Aviation. - Sungei Road (Chinese: ; literally "River Road") is a road in Singapore situated between Serangoon Road and Jalan Besar and runs along the Rochor Canal. The area around Sungei Road was formerly the homes of affluent Europeans and Asians, where many ornately designed buildings were built in its place. From the 1930s to the present, the road has been synonymous with the "Thieves' Market", the largest and oldest flea market in Singapore, where the locals can hunt for old bric-a-brac or second-hand goods, as a cheap replacement for one's faulty or lost item. It's also the place where the well-known "Sungei Road Laksa", a local spicy noodle soup originated. - The East Coast Parkway (Abbreviation: ECP) is an expressway that runs along the southeastern coast of Singapore. The expressway is approximately in length, and connects Singapore Changi Airport in the east to the Benjamin Sheares Bridge in the south of the main island, and to the Marina Coastal Expressway. It has an interchange with the Pan Island Expressway at the Changi Flyover, about from the eastern end of the expressway. - The Downtown Core is the historical and downtown epicenter of the city-state of Singapore. It is one of the eleven planning areas located within the Central Area, forming the latter's dense urban core. It is bounded by Rochor to the north, Kallang to the northeast, Marina East and Marina South to the east, Straits View to the southeast, Bukit Merah to the south, as well as Outram, Museum and Singapore River to the west. - Ophir Road (Chinese: ) is a road that starts after the junction of Sungei Road and Jalan Besar and ends after the Ophir Flyover leading towards East Coast Parkway to Ayer Rajah Expressway or Singapore Changi Airport. The road is located within the planning areas of Kallang, Downtown Core and Rochor. This road also is affected with the North-South Expressway construction. Given the paragraphs above, decide what entity has the relation 'instance of' with 'building'.
Answer:
duo