22472
 Lifelong residents of eastern Harris County , including neighborhoods in eastern and southeastern Houston , are at significantly greater risk of developing some forms of cancer because of toxic emissions from the area 's numerous chemical manufacturing plants , a state study said . 
 location contains: Harris County, Houston
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:  Harris County, Houston 
Answer:
 location contains: Harris County, Houston