Analyze the relationship between 'Commonwealth Bank' and 'Melbourne' within the context of the input sentence.
Options: location of formation, original broadcaster, member of, brand

The oath's policy council includes a range of industry leaders including AMP chairman Simon McKeon, former RBA board member Jillian Broadbent, Westpac director Peter Marriot, Bank of Melbourne chairman Elizabeth Proust, Bank of Queensland director Michaelle Tredenick and Commonwealth Bank of Australia director Andrew Mohl.
location of formation