22541
The railway made its first successful SCMaglev run on a short track at its Railway Technical Research Institute in 1972 .
 organization: Railway Technical Research Institute
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: Railway Technical Research Institute 
Answer:
 organization: Railway Technical Research Institute