Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". 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.

Greek Prime Minister Alexis Tsipras on Tuesday battled to hold his ruling Syriza party together as opposition mounted to a shocking new bailout deal that requires Athens to push through draconian reforms within two days.

Answer: chairperson: Syriza, Alexis Tsipras; headquarters_location: Syriza, Athens