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 ) .
In the context of the input sentence, determine the relationship between 'Debenhams' and 'London'.
Options: owned by, publisher, headquarters location, distribution format