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Rancho La Purísima Concepción was a Mexican land grant in present day Santa Clara County , California given in 1840 by Governor Juan Alvarado to José Gorgonio and his son José Ramon , Ohlone Indians .
 location: Santa Clara County , California; person: Juan Alvarado
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: Santa Clara County , California, Juan Alvarado 
Answer:
 location: Santa Clara County , California; person: Juan Alvarado