802
The  Conservancy Association  of  Hong Kong  ( L ) a heritage advocacy group wrote to the Secretary for Home Affairs Patrick Ho in April 2004 requesting him to consider declaring the mansion a monument under the Antiquities and Monuments Ordinance .
 city of headquarters: Conservancy Association, Hong Kong
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: Conservancy Association, Hong Kong