14193
Owned by the government of the province of  Ontario  ( through the  Ontario Lottery and Gaming Corporation  ) it is operated by Caesars Entertainment .
 city of headquarters: Ontario, Ontario Lottery and Gaming Corporation
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 city of headquarters: Ontario, Ontario Lottery and Gaming Corporation