23664
 One of the best places to see the scope of China 's challenge to the West , including China 's economic strengths and its political weaknesses , is here in Guangzhou , a city of 12.2 million that is often compared to Los Angeles . 
 location contains: China, Guangzhou
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: China, Guangzhou