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Federico Mayor Zaragoza ( b. January 27 , 1934 in Barcelona ) is a Spanish scientist , scholar , politician , diplomat and poet .
 Federico Mayor Zaragoza, Barcelona, Spanish
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Federico Mayor Zaragoza, Barcelona, Spanish