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William Harris is a New York United States based television executive currently serving as Senior Vice-President of Production and Broadcast Operations for the  Television Networks  which includes cable services The History Channel  The Biography Channel  Crime and Investigation History en Espanol The Military History Channel and History International .
 subsidiaries: Television Networks, The Biography Channel
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:  Television Networks, The Biography Channel 
Answer:
 subsidiaries: Television Networks, The Biography Channel