Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: 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.

“I don’t think anyone should be in any doubt: the Greek situation has an impact on the European economy, which has an impact on us, and we cannot be immune,” U.K. Chancellor of the Exchequer George Osborne told the BBC’s “Andrew Marr” program on Sunday, ahead of a Monday meeting of U.K. officials to be chaired by Prime Minister David Cameron.

Answer: position_held: George Osborne, Chancellor of the Exchequer