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The name ‘ PESA ’ derives from the initials PS which stand for Pojazdy Szynowe , ‘ railway vehicles ’ in Polish .
 organization: PESA
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: PESA 
Answer:
 organization: PESA