18388
By 1923 Gastello was back in Moscow , where he worked at a factory as a fitter .
 person: Gastello; location: Moscow
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: Gastello, Moscow 
Answer:
 person: Gastello; location: Moscow