51490
As of 2020 , four numbers have been kept out of circulation : Troy Aikman 's No. 8 , Roger Staubach 's No. 12 , Bob Hayes ' and Emmitt Smith 's No. 22 , Bob Lilly 's No. 74 .
 person: Troy Aikman; person: Roger Staubach; person: Bob Hayes; person: Emmitt Smith; person: Bob Lilly
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: Troy Aikman, Roger Staubach, Bob Hayes, Emmitt Smith, Bob Lilly 
Answer:
 person: Troy Aikman; person: Roger Staubach; person: Bob Hayes; person: Emmitt Smith; person: Bob Lilly