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.

French payments company Ingenico Group (Swiss: ING.SW - news ) rose 6.8 percent as prospects it could stretch its finances to launch a bid for Worldpay evaporated on Friday when its privately-owned British rival announced plans for a London floatation, instead of a sale.

Answer: headquarters_location