12958
The city of  Houston  late Saturday became the largest US metropolis in the  United States  to elect an openly gay mayor as city controller Annise Parker an open lesbian claimed a solid victory over her rival .
 countries of residence: Houston, United States
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:
 countries of residence: Houston, United States