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Botswana  President  Ian Khama  said Thursday a power-sharing pact in neighbouring Zimbabwe was in danger of collapse as parties fail to agree on key issues eight months after joining forces .
 countries of residence: Botswana, Ian Khama
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Botswana, Ian Khama 
Answer:
 countries of residence: Botswana, Ian Khama