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.
Utilize the input text as a context reference, choose the right relationship between 'Syriza' and 'Alexis Tsipras' from the options.
Options: chairperson, member of, operator, product/material produced