193024
The Mansfield Railway Company had no locomotives or rolling stock of their own , so the GCR provided both and maintained the line for 60 % of its gross earnings .
 organization: GCR
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: GCR 
Answer:
 organization: GCR