78658
Among the more significant post-war productions was that directed in 1951 by Wieland Wagner , the composer 's grandson .
 person: Wieland Wagner
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: Wieland Wagner 
Answer:
 person: Wieland Wagner