51402
In 2007 he also made his NASCAR Busch Series debut , driving two road course races for Dale Earnhardt , Jr. 's JR Motorsports team .
 organization: NASCAR; person: Dale Earnhardt; person: Jr.; organization: JR Motorsports
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: NASCAR, Dale Earnhardt, Jr., JR Motorsports 
Answer:
 organization: NASCAR; person: Dale Earnhardt; person: Jr.; organization: JR Motorsports