1605
JSS  went on to join the  United Democratic Front  the arch-rivals of the Left Democratic Front to which CPI ( M ) belongs .
 members: JSS, United Democratic Front
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  JSS, United Democratic Front 
Answer:
 members: JSS, United Democratic Front