You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "In what airport is the largest airline in Canada?" whose answer is Calgary International Airport.
Each document should contain about 30 words, and these documents should contain useful information.

Query: largest airport for Air Canada
Useful Output:

Doc 1: Air Canada's major hubs are at Toronto Pearson International Airport (YYZ), Vancouver International Airport (YVR), and Montréal–Trudeau International Airport (
Doc 2: Four weekly flights linking Canada's capital city to the UK's largest airport and international gateway · Wide array of connections at Heathrow
Doc 3: The Largest Airline in Canada: Air Canada · Air Canada Annual Passengers: 44.8 million · Air Canada Fleet Size: 400+. Experienced a delayed Air
Doc 4: Moving into the top five, Ottawa Macdonald Cartier International Airport (YOW) in the province of Ontario is set to handle 429 departing Air
Doc 5: Air Canada is the flag-carrier of Canada with hubs at Toronto Pearson, Montreal-Trudeau, and Vancouver International airports.