11473
Cheap Trick  bassist  Tom Petersson  had recently left the band so Tony Levin played bass .
 employee of: Cheap Trick, Tom Petersson
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:  Cheap Trick, Tom Petersson 
Answer:
 employee of: Cheap Trick, Tom Petersson