35786
The Song economy , facilitated by technology advancement , had reached a level of sophistication probably unseen in world history before its time .
 location: Song
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: Song 
Answer:
 location: Song