What is the relationship between 'Qatar Airways' and 'Doha' in the context of the input sentence.
Options: location of formation, currency, chairperson, brand

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