71833
Under the Major League Baseball contract , players must play for minimum salary for six years , at which time they become free agents .
 organization: Major League Baseball
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: Major League Baseball 
Answer:
 organization: Major League Baseball