Utilize the input text as a context reference, choose the right relationship between Syriza and ATHENS from the options. Options: 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.

ATHENS (Reuters) - Some members of Greece's leftist government wanted to raid central bank reserves and hack taxpayer accounts to prepare a return to the drachma, according to reports on Sunday that highlighted the chaos in the ruling Syriza party.

Answer: headquarters_location