55164
In 1997 , he was signed as an amateur free agent by the Arizona Diamondbacks and began his professional career in the Dominican Summer League .
 organization: Arizona Diamondbacks; organization: Dominican Summer League
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: Arizona Diamondbacks, Dominican Summer League 
Answer:
 organization: Arizona Diamondbacks; organization: Dominican Summer League