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A number of former 101 series trains were sold to the private railway operator Chichibu Railway in Saitama Prefecture in 1986 , where they operated as 3-car 1000 series sets until March 2014 .
 organization: Chichibu Railway; location: Saitama Prefecture
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Chichibu Railway, Saitama Prefecture 
Answer:
 organization: Chichibu Railway; location: Saitama Prefecture