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On 11 August 2001 Siba-Siba was murdered at Austral's Maputo headquarters ; his killers have never been positively identified but press reports in  Mozambique  have identified a former member of  Joaquim Chissano  's Presidential Guard as the murderer .
 countries of residence: Mozambique, Joaquim Chissano
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:  Mozambique, Joaquim Chissano 
Answer:
 countries of residence: Mozambique, Joaquim Chissano