137250
The latest and most‐popular of a series of homes designed by Igor B. Polevitzky called the Tropotype , these homes were developed between 1936 and 1949 .
 person: Igor B. Polevitzky
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: Igor B. Polevitzky 
Answer:
 person: Igor B. Polevitzky