Refer to the input text as context and select the correct relationship between 'Syriza' and 'Athens' from the available options.
Options: headquarters location, business division, industry, product/material produced

Concerns for future The Athens General Index has fluctuated sharply this year, which has seen Tsipras's newly elected Syriza government wrangle with European Union and International Monetary Fund lenders in bitter bailout talks.
headquarters location