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She served as curator of ethnology at the American Museum of Natural History from 1946 to 1969 .
 location: American Museum of Natural History
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: American Museum of Natural History 
Answer:
 location: American Museum of Natural History