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The station is located in Downtown Hayward which contains :  AC Transit  (  Alameda-Contra Costa Transit District  ) .
 alternate names: AC Transit, Alameda-Contra Costa Transit District
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:  AC Transit, Alameda-Contra Costa Transit District 
Answer:
 alternate names: AC Transit, Alameda-Contra Costa Transit District