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Lee Strasberg of the Lee Strasberg Theatre Institute of Los Angeles , enlisted Elizabeth in 1981 to strengthen the voices of his acting and singing students which she has done for many years since .
 person: Lee Strasberg; person: Lee Strasberg; person: Elizabeth
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: Lee Strasberg, Lee Strasberg, Elizabeth 
Answer:
 person: Lee Strasberg; person: Lee Strasberg; person: Elizabeth