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.

Picture: REUTERS Related articles Greece’s euro future balances on German Punch and Judy show New Greek bail-out hardly a victory for Germany Furious Greeks accuse Germany of splitting Europe yet again In this article Companies and organisations: European Central Bank People: Angela Merkel THE Greek crisis and German hostility toward a third bail-out for the troubled country provide an appropriate time to examine Europe’s largest economy’s relationship to the single currency.

Answer: headquarters_location: Merkel, Germany