20755
In 2001 , he pitched for the Martinsville Astros .
 organization: Martinsville Astros
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: Martinsville Astros 
Answer:
 organization: Martinsville Astros