8141
The Three Gorges Dam is the largest power station in the world by installed capacity , at 22.5 GW .
 location: Three Gorges Dam
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: Three Gorges Dam 
Answer:
 location: Three Gorges Dam