15779
A regional commuter rail service , OnTrack , was active from 1994 until it was discontinued in 2007 due to low ridership .
 organization: OnTrack
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: OnTrack 
Answer:
 organization: OnTrack