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With the mysterious illness of Fidel Castro this week , attention has turned to his brother , Raul , the new provisional leader of Cuba , a man whose personality is little known to Cubans and who remained out of sight and silent on Wednesday .
 nationality: Fidel Castro, Cuba
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:  Fidel Castro, Cuba 
Answer:
 nationality: Fidel Castro, Cuba