What is the relationship between George Osborne and Chancellor of the Exchequer 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.

Chancellor of the Exchequer George Osborne is preparing to sell shares in RBS as early as September, probably at a loss to the Treasury, as the government seeks to end seven years of ownership and return some of the 45.5 billion-pound bailout to taxpayers.

Answer: position_held