6578
 Panlong is a short drive from Shenzhen , Dongguan and Zhuhai all large and booming cities virtually created from scratch during China 's economic takeoff , which began in so-called special economic zones as part of the country 's sweeping economic changes . 
 location contains: China, Shenzhen
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, Shenzhen