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 The movie star Angelina Jolie challenged celebrities at the World Economic Forum in Davos , Switzerland , last week to know '' absolutely what they 're talking about '' when it comes to poverty , yet even experts would have trouble meeting her standard . 
 location contains: Switzerland, Davos
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:  Switzerland, Davos 
Answer:
 location contains: Switzerland, Davos