2104
The  union  has a staff of more than 100 employees at its headquarters in Edmonton and at several regional offices located in communities throughout the province of  Alberta  including Peace River Grande Prairie Athabasca Camrose Red Deer Calgary and Lethbridge .
 union, Alberta
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:
 union, Alberta