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In 1989 , Seoul established diplomatic relations with Hungary and Poland , followed by diplomatic ties with Yugoslavia , Romania , Czechoslovakia , Bulgaria , and Mongolia in 1990 .
 location: Seoul; location: Hungary; location: Poland; location: Yugoslavia; location: Romania; location: Czechoslovakia; location: Bulgaria; location: Mongolia
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: Seoul, Hungary, Poland, Yugoslavia, Romania, Czechoslovakia, Bulgaria, Mongolia 
Answer:
 location: Seoul; location: Hungary; location: Poland; location: Yugoslavia; location: Romania; location: Czechoslovakia; location: Bulgaria; location: Mongolia