Greek Prime Minister Alexis Tsipras on Wednesday faced down a major mutiny in his radical left Syriza party and violent protests in the streets of Athens to win parliamentary approval for the draconian reforms demanded in return for a new 86-billion-euro bailout package.
Take context from the input text and decide on the accurate relationship between 'Syriza' and 'Athens' from the options provided.
Options: headquarters location, location of formation, business division, manufacturer