8788
From 1986 to 1989 , he was the representative of the GDR to COMECON .
 organization: COMECON
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: COMECON 
Answer:
 organization: COMECON