290055
Se-joon and Se-wa meet a boy who introduces himself as an old friend , Sung-chan , but who turns out to be Gi-hoon .
 None
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:  
Answer:
 None