16749
 And the mines , resilient through all of Poland 's turbulent history , keep on going even now that Katowice as a seat of heavy industry has turned into Katowice as an emblem of the Communists ' economic failure , with an unemployment rate of 20 percent and the air still heavy with the scent of industrial emissions . '' 
 location contains: Poland, Katowice
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Poland, Katowice 
Answer:
 location contains: Poland, Katowice