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.

The split appears complete between Greek Prime Minister Alexis Tsipras and close to a third of the 149 lawmakers from his radical left Syriza party who have expressed their opposition to the terms of a third bailout.

Answer: chairperson: Syriza, Alexis Tsipras