2399
He is also a guitarist and vocalist for the punk rock band Pinhead Gunpowder and provides lead vocals for  Green Day  's side projects  Foxboro Hot Tubs  and The Network .
 employee of: Green Day, Foxboro Hot Tubs
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:  Green Day, Foxboro Hot Tubs 
Answer:
 employee of: Green Day, Foxboro Hot Tubs