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In 1946 , as chairman of a special committee to prepare a plan for the international control of atomic energy , he wrote the Acheson–Lilienthal report .
 person: Acheson–Lilienthal
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: Acheson–Lilienthal 
Answer:
 person: Acheson–Lilienthal