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 The sale of the chain , which opened its first grocery store in Boise , Idaho , in 1939 and remains based there , had been characterized as a sign of the traditional grocery industry adrift and unwilling to react to the stiff competition posed by discount chains like Wal-Mart and Costco . 
 location contains: Idaho, Boise
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:  Idaho, Boise 
Answer:
 location contains: Idaho, Boise