36754
Apart from having direct control over much of East Asia , the empire also exerted domination over other states through the Chinese tributary system .
 location: East Asia
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: East Asia 
Answer:
 location: East Asia