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Ms. Mattson 's first exposure to the larger Muslim world came after she graduated from college , when childhood lessons about missionary work inspired her to volunteer to teach Afghan women in a sprawling refugee camp of about 100,000 people in Peshawar , Pakistan .
 location contains: Pakistan, Peshawar
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Pakistan, Peshawar 
Answer:
 location contains: Pakistan, Peshawar