Refer to the input text as context and select the correct relationship between 'Debenhams' and 'London' from the available options.
Options: owned by, headquarters location, publisher, distribution format

Debenhams (Other OTC: DBHSF - news ) led the falling stocks on the London market yesterday, down more than seven percent to 75.7p after a downgrade to “sell” from analysts at UBS (NYSEArca: FBGX - news ) .
headquarters location