Utilize the input text as a context reference, choose the right relationship between 'Qatar Airways' and 'Doha' from the options.
Options: brand, location of formation, currency, chairperson

At an interaction hosted by Doha Bank Group CEO R Seetharaman and his team where Qatar Airways Group CEO Akbar Al Baker was the Guest of Honour, Ambani also met with a number of top Qatari businessmen and investors.
location of formation