What is the relationship between Syriza and Athens 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.

“Greece is obviously working to secure an immediate deal, but it must be a deal that opens a window out of the current crisis,” Energy Minister Panagiotis Lafazanis, a hard-line Syriza member, said at a conference in Athens Thursday.

Answer: headquarters_location