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Over the years , it has been directed by numerous theatre directors , including Ram Gopal Bajaj in 1989 , at the National School of Drama .
 person: Ram Gopal Bajaj; organization: National School of Drama
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: Ram Gopal Bajaj; organization: National School of Drama