6904
 All face the perils of a paperless existence that prevents them from easily traveling to a third country , renders their presence in China illegal and exposes those who return home by wading across the Tumen or Yalu Rivers to the risk of drowning , being shot by border guards or facing punishment in labor camps . 
 location contains: China, Tumen
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, Tumen