What is the relationship between Worldpay 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.
Text: Worldpay Shuns Offers, Opting to List on the London Stock Exchange Worldpay Shuns Offers, Opting to List on the London Stock Exchange Payment processing firm Worldpay looks to raise £890 million via an IPO in London, despite a £6.6 billion offer from French rival.
user
headquarters_location
assistant