Utilize the input text as a context reference, choose the right relationship between Mashreq and Dubai from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Six of the banks - Abu Dhabi Islamic Bank (A DIB ), Al Hilal Bank (AHB), Commercial Bank of Dubai (CBD) , Dubai Islamic Bank ( DIB ), Mashreqbank ( Mashreq ) and Noor Bank ( Noor ) - have SRs of '1', reflecting the extremely high probability of state support.

Answer: headquarters_location