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In the second semester , he was mostly a substitute for the striker partnership of Juan Manuel Martínez and Santiago Silva ( who together scored 21 goals ) .
 person: Juan Manuel Martínez; person: Santiago Silva
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Juan Manuel Martínez, Santiago Silva 
Answer:
 person: Juan Manuel Martínez; person: Santiago Silva