Analyze the relationship between 'Standard Bank' and 'London' within the context of the input sentence.
Options: chief executive officer, location of formation, director/manager, subsidiary

Leung | Getty Images Canary Wharf, London The banks named in the Cade probe are Bank of America Merrill Lynch , Bank of Tokyo-Mitsubishi UFJ , Barclays , Citigroup , Credit Suisse Group , Deutsche Bank , HSBC , JPMorgan Chase & Co , Morgan Stanley & Co , Nomura Holdings , Royal Bank of Canada , Royal Bank of Scotland Group , Standard Bank Group , Standard Chartered and UBS .
location of formation