Question: Where was the office at which CKAC was located situated? 

full_context: Document 1: CBWFT-DT: CBWFT-DT, virtual channel 3 (UHF digital channel 51), is an Ici Radio-Canada Télé owned-and-operated television station located in Winnipeg, Manitoba, Canada. The station is owned by the Société Radio-Canada arm of the Canadian Broadcasting Corporation, as part of a twinstick with CBC Television outlet CBWT-DT (channel 6). The two stations share studios located on Portage Avenue and Young Street in Downtown Winnipeg, and its transmitter is located near Red Coat Trail/Highway 2) in Macdonald. This station can also be seen on Shaw Cable and MTS TV channel 10, and Bell TV channel 118. There is a high definition feed offered on Shaw Cable digital channel 214 and MTS TV channel 448.
Document 2: CKBE-FM: CKBE-FM (9-2-5 the Beat) is an English language Canadian radio station located in Montreal, Quebec. It is owned and operated by Cogeco, and broadcasts on 92.5 MHz with an effective radiated power (ERP) of 100,000 watts (class C1) using an omnidirectional antenna from a transmitter atop Mount Royal, while its studios are located at Place Bonaventure in downtown Montreal. The station broadcasts a Rhythmic Adult Contemporary format.
Document 3: Place Montreal Trust: Place Montreal Trust is a shopping mall in Downtown Montreal, located west of the Eaton Centre, at the corner of Saint Catherine Street and McGill College Avenue. With over 320000 sqft of stores and services, Place Montreal Trust attracts 14 million visitors each year. Its indoor water fountain has the highest water spout in North America at 30 meters in height. Place Montreal Trust is linked to the Underground City of Montreal.
Document 4: Place Bonaventure: Place Bonaventure is an office, exhibition, and hotel complex in Downtown Montreal, Quebec, Canada, adjacent to the city's Central Station. At 288000 m2 in size, Place Bonaventure was the second largest commercial building in the world at the time of its completion in 1967.
Document 5: CKAC: CKAC is a French-language Canadian radio station located in Montreal, Quebec. Owned by Cogeco, the station operates as a commercial traffic information service branded as Radio Circulation 730. Its studios are located at Place Bonaventure in Downtown Montreal, and its transmitter is located in Saint-Joseph-du-Lac.
Document 6: CKDG-FM: CKDG-FM is a radio station located in Montreal, Quebec. Owned and operated by Canadian Hellenic Cable Radio (CHCR), it broadcasts on 105.1 MHz using a directional antenna with an average effective radiated power of 141 watts and a peak effective radiated power of 224 watts (class A). Unlike most FM stations, it broadcasts in mono to maximize its Signal to Noise Ratio to all its listeners. CKDG's studios are located on Avenue du Parc in Montreal. It also identifies itself as Mike FM.
Document 7: Place Ville Marie: Place Ville Marie (PVM for short) is a large office and shopping complex in central Montreal, Quebec, Canada, comprising four office buildings and an underground shopping plaza. The main building, 1 Place Ville Marie (formerly Royal Bank Tower from its anchor tenant), built in the International style in 1962 as headquarters for the Royal Bank of Canada, is arguably the city's most distinctive building: a 188 m , 47-storey, cruciform office tower. The complex is a nexus for Montreal's Underground City, the world's busiest, with indoor access to over 1,600 businesses, several subway stations, a suburban transportation terminal, and tunnels extending throughout downtown. A counter-clockwise rotating beacon on the rooftop lights up at night, illuminating the surrounding sky with up to four white horizontal beams that can be seen as far as 50 km away.
Document 8: CKMX: CKMX is a Canadian radio station, broadcasting at 1060 AM in Calgary, Alberta owned by Bell Media. The station broadcasts a comedy format branded on-air as Funny 1060AM. CKMX's studios are located on Centre Street in Eau Claire, while its transmitters are located near Southeast Calgary. At night it can be heard as far west as Snohomish, Washington.
Document 9: CHOI-FM: CHOI-FM is a French language FM radio station that broadcasts on the frequency 98.1 MHz out of Quebec City, Quebec, Canada, with a talk radio format (before its takeover by RNC Media, it aired mainly active rock music, and finally to modern rock until becoming a talk radio station in 2010). Locally, it is known as Radio X (a reference to "Generation X", as most of CHOI's listeners consider themselves). It was owned by Genex Communications since July 1996. The Bureau of Broadcast Measurement ratings released in December 2004 revealed that CHOI was the most popular radio station in the city with 443,100 listeners, up from 380,500 earlier in the year. The station is well known for airing controversial ideas and populist opinions. The station has become a target of various groups, notably feminists and gay activists, as well as prominent politicians, for some controversial political statements.
Document 10: Central Plaza Complex: The Central Plaza Complex consists of three commercial office buildings located in the Central Business District of Brisbane, Queensland, Australia. The complex was constructed in three phases with Central Plaza 1 completed first in 1988, followed by Central Plaza 2 in 1990 and Central Plaza 3 in 2008. Central Plaza 1 is the tallest of the three buildings, as well as the fifth tallest building in Brisbane.
Document 11: Montreal Central Station: Central Station (French: "Gare Centrale" ) (IATA: YMY) is the major inter-city rail station and a major commuter rail hub in Montreal, Quebec, Canada. Nearly 11 million rail passengers use the station every year.
Document 12: Montreal Eaton Centre: The Montreal Eaton Centre is a shopping mall located in Montreal, Quebec, Canada. It is located in the heart of Downtown Montreal in the underground city, and is connected to the Montreal Metro via McGill station.
Document 13: Bonaventure station (Via Rail): Bonaventure railway station was a staffed Via Rail station in the town of Bonaventure, Quebec, Canada. The station is closed permanently with no ticket agent; Via lists Bonaventure as a "sign post". , the Gaspé train is not running; the closest passenger rail service is provided at the Matapédia railway station.
Document 14: RMC (France): RMC is a private French-Monégasque radio station created in 1943, broadcasting from France with studios in Paris and Monte Carlo. RMC stands for Radio Monte Carlo.
Document 15: Deloitte Tower: The Deloitte Tower (French: Tour Deloitte) is a 26-storey office building in Montreal, Quebec, Canada, located between Windsor Station and the Bell Centre. It is the city's first privately owned and financed commercial office tower to be built in more than 20 years. Completed in May 2015, the building features 495000 sqft of office space, and 20000 sqft of retail space. It is named for professional services firm Deloitte, which occupies 160000 sqft of office space in the building. It also houses the headquarters of Rio Tinto Alcan, which relocated from the Maison Alcan. The company occupies approximately 190000 sqft on the top eight floors of the building. The Deloitte Tower is planned as part of a larger, multiphase, mixed use project that will include retail and residential spaces. The building is owned by Cadillac Fairview.
ground_truth: Downtown Montreal, Quebec, Canada