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The site was also the scene of the April 1838 battle between the forces of Juan Bautista Alvarado and Carlos Antonio Carrillo in which the provincial governorship of Alta California was contested .
 person: Juan Bautista Alvarado; person: Carlos Antonio Carrillo; location: Alta California
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Juan Bautista Alvarado; person: Carlos Antonio Carrillo; location: Alta California