20527
 Since April 2005 , at least 185 Fentanyl-related deaths have been reported in Cook County , 145 of them in Chicago . '' 
 location contains: Cook County, Chicago
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:  Cook County, Chicago 
Answer:
 location contains: Cook County, Chicago