418
The research of the investigation commission was documented in the Nunca Más ( Never Again ) report , which was a complete summary published as an official report in Spanish , and delivered to Alfonsín on 20 September 1984 , which opened the doors to the trial of the military juntas of the dictatorship .
 person: Alfonsín
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: Alfonsín 
Answer:
 person: Alfonsín