11334
 On the long trail to a hotly competitive senatorial primary in Illinois , he repeatedly questioned the rationale for the war before it began , finally to protest it at a large rally in Chicago on the eve of the invasion . 
 location contains: Illinois, 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:  Illinois, Chicago 
Answer:
 location contains: Illinois, Chicago