181711
All-Ukrainian Extraordinary Commission ( ; ) was a Soviet secret police and an affiliation of the Russian Cheka .
 organization: Cheka
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: Cheka 
Answer:
 organization: Cheka