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His son Juan Carlos Blanco Estradé was himself to be Foreign Minister in the 1970s .
 person: Juan Carlos Blanco Estradé
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Juan Carlos Blanco Estradé 
Answer:
 person: Juan Carlos Blanco Estradé