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Motor Racing Network In addition to NASCAR on TNT and Speed Channel , Alexander also worked for the Motor Racing Network for coverage of NASCAR as a studio host , pit reporter , and play-by-play .
 organization: Motor Racing Network; organization: Speed Channel; person: Alexander; organization: Motor Racing Network
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: Motor Racing Network, Speed Channel, Alexander, Motor Racing Network 
Answer:
 organization: Motor Racing Network; organization: Speed Channel; person: Alexander; organization: Motor Racing Network