Analyze the relationship between 'Syriza' and 'Athens' within the context of the input sentence.
Options: product/material produced, distributed by, industry, headquarters location

PT5M5S 620 349 Autoplay On Off Video feedback Video settings ﻿ PM Alexis Tsipras faces Syriza mutiny Eurozone clinches deal with Greece Marousi: Business has been so brisk in the giant Kotsovolos appliance and electronics store in this upper-middle-class suburb of Athens that you might think a sale was on.
headquarters location