14141
Following a tour with Boston based band  27  the bands collaborated in a split EP 27:00 released on  Undergroove  in August 2005 .
 members: 27, Undergroove
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:  27, Undergroove 
Answer:
 members: 27, Undergroove