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Quince Orchard High School  ( QOHS ) also known as Q.O. High School is a secondary school located on Quince Orchard Road in an unincorporated area of  Gaithersburg  in Montgomery County Maryland United States .
 city of headquarters: Quince Orchard High School, Gaithersburg
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: Quince Orchard High School, Gaithersburg