Definition: Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.
Input: original question: Which terminal does [Qantas] use at its primary hub?
answer: london heathrow terminal 1, london heathrow terminal 5, london heathrow terminal 3...
answer type: Airport terminal.
auxiliary information: Qantas Airways Limited is the flag carrier airline of Australia and its largest airline by fleet size, international flights and international destinations. It is the third oldest in the world, after KLM and Avianca having been founded in November 1920; it began international passenger flights in May 1935. The Qantas name comes from "QANTAS", an acronym for its original name, "Queensland and Northern Territory Aerial Services", and it is nicknamed "The Flying Kangaroo". The airline is based in the Sydney suburb of Mascot with its main hub at Sydney Airport. Qantas has a 65% share of the Australian domestic market and carries 14.9% of all passengers travelling in and out of Australia. Its subsidiaries QantasLink and Jetconnect provide services within Australia and to New Zealand respectively, flying under the Qantas brand. Qantas also owns the low-cost airline Jetstar, which operates both domestic and international services, and holds stakes in a number of its sister airlines. Qantas operates a mixed fleet of Airbus and Boeing aircraft.

[Qantas] uses which terminal at its primary hub?