2482
RTA  service area is the second-largest in the United States with  Riverside  and the Pass area to the north Hemet and San Jacinto to the east Temecula to the south and Corona Norco and Eastvale to the west .
 city of headquarters: RTA, Riverside
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:  RTA, Riverside 
Answer:
 city of headquarters: RTA, Riverside