Utilize the input text as a context reference, choose the right relationship between Syriza and Alexis Tsipras 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.

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.

Answer: chairperson