8012
The music video to this song , directed by David Mallet , shows prisoners attending an AC / DC mini-concert at their prison .
 person: David Mallet; organization: AC / DC
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: David Mallet, AC / DC 
Answer:
 person: David Mallet; organization: AC / DC