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 .
Take context from the input text and decide on the accurate relationship between 'Standard Chartered' and 'London' from the options provided.
Options: legal form, business division, subsidiary, headquarters location