What is the relationship between Debenhams and London in the context of the input sentence. Choose an answer from: 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.

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 ) .

Answer: headquarters_location