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History Saint Louis University established the station 9YK around 1912 , using Morse code to communicate seismological and weather information .
 organization: Saint Louis University
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: Saint Louis University 
Answer:
 organization: Saint Louis University