18122
For centuries China 's most important seaport and the starting point of the maritime Silk Road , Guangzhou -LRB- formerly Canton and now a modern city of 10 million just 75 miles up the Pearl River from Hong Kong -RRB- played host to merchants from Rome and India as early as the second century A.D. and has long been intertwined with Western powers .
 administrative division of country: Hong Kong, China; location contains: China, Hong Kong; country of administrative divisions: China, Hong Kong; location contains: China, Guangzhou
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Hong Kong, China; China, Hong Kong; China, Hong Kong; China, Guangzhou 
Answer:
 administrative division of country: Hong Kong, China; location contains: China, Hong Kong; country of administrative divisions: China, Hong Kong; location contains: China, Guangzhou