What is the relationship between Lonmin 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.

LONDON (ShareCast) - (ShareCast News) - Lonmin (LSE: LMI.L - news ) led the miners lower on the FTSE 250 after a downgrade from HSBC hurt the platinum producer's shares.

Answer: headquarters_location