5661
The Transperth A-series trains are a class of electric multiple unit operated by  Transperth Trains  in  Perth  Western Australia .
 Transperth Trains, Perth
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Transperth Trains, Perth