Please answer the following question: Information: - Canadian Airlines International Ltd. was a Canadian airline that operated from 1987 until 2001. The airline was Canada's second largest airline after Air Canada, and carried more than 11.9 million passengers to over 160 destinations in 17 countries on five continents at its height in 1996. Canadian Airlines served 105 destinations in Canada, more than any other airline. Canadian Airlines was also a founding member of the Oneworld airline alliance. - Toronto Pearson International Airport , officially Lester B. Pearson International Airport and frequently shortened to Toronto Pearson, Pearson Airport, or simply Pearson; is an international airport serving the city of Toronto, Ontario, Canada, the Greater Toronto Area, and the Golden Horseshoe, an urban agglomeration of 8.7 million people. The airport is located northwest of Downtown Toronto, with the bulk of the airport (including the two main terminals) located in the adjacent city of Mississauga, and a small portion of the airfield extending into Etobicoke, Toronto's western district. The airport is named in honour of Toronto-born Lester B. Pearson, Nobel Peace Prize Laureate and 14th Prime Minister of Canada. - YYC Calgary International Airport, originally named McCall Field , is the international airport that serves Calgary, Alberta, Canada and the surrounding region; it is situated approximately northeast of downtown Calgary. The airport offers scheduled non-stop flights to major cities in Canada, the United States, Mexico, the Caribbean, Central America, Europe and East Asia. - Canada (French: ) is a country in the northern half of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering , making it the world's second-largest country by total area and the fourth-largest country by land area. Canada's border with the United States is the world's longest land border. The majority of the country has a cold or severely cold winter climate, but southerly areas are warm in summer. Canada is sparsely populated, the majority of its land territory being dominated by forest and tundra and the Rocky Mountains. About four-fifths of the country's population of 36 million people is urbanized and live near the southern border. Its capital is Ottawa, its largest city is Toronto; other major urban areas include Montreal, Vancouver, Calgary, Edmonton, Quebec City, Winnipeg and Hamilton. - WestJet Airlines Ltd. is a Canadian airline that began as a low-cost alternative to the country's competing major airlines. WestJet provides scheduled and charter air service to 100 destinations in Canada, the United States, Europe, Mexico, Central America and the Caribbean. Founded in 1996, it is currently the second-largest Canadian air carrier, behind Air Canada, operating an average of 425 flights and carrying over 45,000 passengers per day. In 2013, WestJet carried 18.5 million passengers, making it the ninth-largest airline in North America by passengers carried. WestJet is a public company with more than 10,000 employees, is non-unionized and is not part of any airline alliance. It operates three variants of the Boeing 737 Next Generation family, as well as Boeing 767 aircraft, on select long-haul routes. Its subsidiary WestJet Encore also operates the Bombardier Q400. The airline's headquarters is located adjacent to the Calgary International Airport. - Canada 3000 Inc. was a Canadian discount charter airline offering domestic and international flights . It was the largest charter airline in the world at the time of its operation , with over 90 destinations worldwide , although it changed to scheduled service in 2000 after the Canadian Airlines and Air Canada merger . Canada 3000 competed with Air Canada , WestJet , and fellow charter airline Air Transat . In November 2001 , the airline went out of business after a sharp decline in revenues following the September 11 , 2001 , terrorist attacks in the United States . There have been several attempts to restart the airline since then . The airline was headquartered in Etobicoke in the west - end of Toronto , Ontario . - Air Canada is the flag carrier and largest airline of Canada. The airline, founded in 1937, provides scheduled and charter air transport for passengers and cargo to 182 destinations worldwide. It is the world's tenth-largest passenger airline by fleet size, and is a founding member of the Star Alliance. Air Canada's corporate headquarters are located in Montreal, Quebec, while its largest hub is at Toronto Pearson International Airport. Air Canada had passenger revenues of CA$13.8 billion in 2015. The airline's regional service is Air Canada Express. - Etobicoke (with a silent 'ke') is an administrative district and former municipality within the western part of the city of Toronto, Ontario, Canada. Etobicoke was first settled by Europeans in the 1790s; the municipality grew into city status in the 20th century. Several independent villages and towns developed within the area of Etobicoke, only to be absorbed later into Etobicoke during the era of Metro Toronto. Etobicoke was dissolved in 1998, when it was amalgamated with other Metro Toronto municipalities into the City of Toronto. Etobicoke is bordered on the south by Lake Ontario, on the east by the Humber River, on the west by Etobicoke Creek, the city of Mississauga, and Toronto Pearson International Airport (a small portion of the airport extends into Etobicoke), and on the north by Steeles Avenue West. - Mexico (, modern Nahuatl ), officially the United Mexican States, is a federal republic in the southern half of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatemala, Belize, and the Caribbean Sea; and to the east by the Gulf of Mexico. Covering almost two million square kilometers (over 760,000sqmi), Mexico is the sixth largest country in the Americas by total area and the 13th largest independent nation in the world. With an estimated population of over 120 million, it is the eleventh most populous country and the most populous Spanish-speaking country in the world while being the second most populous country in Latin America. Mexico is a federation comprising 31 states and a federal district that is also its capital and most populous city. Other metropolises include Guadalajara, Monterrey, Puebla, Toluca, Tijuana and Leon. Given the information above, choose from the list below the object entity that exhibits the relation 'airline hub' with the subject 'canada 3000'. Choices: - calgary international airport - monterrey - toronto pearson international airport - vancouver
A:
toronto pearson international airport