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The Warren and Trumbull Railroad is a part of the Ohio Central Railroad System , which was bought by Genesee & Wyoming Inc. in 2008 , operating three lines in and near Warren .
 organization: Warren; organization: Trumbull Railroad; organization: Ohio Central Railroad System; organization: Genesee & Wyoming Inc.; location: Warren
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: Warren, Trumbull Railroad, Ohio Central Railroad System, Genesee & Wyoming Inc., Warren 
Answer:
 organization: Warren; organization: Trumbull Railroad; organization: Ohio Central Railroad System; organization: Genesee & Wyoming Inc.; location: Warren