5456
In 1901 he became a member of the Serbian Parliament and played a part in founding the Independent  Radical Party  whose  leader  he became in 1912 .
 top members employees: Radical Party, leader
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 top members employees: Radical Party, leader