8493
This identification was made , in part , on the strength of reporting provided by Oleg Penkovsky , a double agent in the GRU working for CIA and MI6 .
 person: Oleg Penkovsky; organization: GRU; organization: CIA; organization: MI6
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: Oleg Penkovsky, GRU, CIA, MI6 
Answer:
 person: Oleg Penkovsky; organization: GRU; organization: CIA; organization: MI6