9831
Along with the song , a classic written by Chilean Violeta Parra immortalized by Argentina Mercedes Sosa has recorded a video with statements of all participating artists and images of the tragedy . "
 person: Violeta Parra; person: Mercedes Sosa
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: Violeta Parra; person: Mercedes Sosa