50882
The end result of his efforts was the formation a much more " ethical " league , which was named the National League of Professional Base Ball Clubs .
 organization: National League of Professional Base Ball Clubs
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: National League of Professional Base Ball Clubs 
Answer:
 organization: National League of Professional Base Ball Clubs