23690
While Bachchan was preferred by Mehra , Kumar was preferred by Milkha Singh .
 person: Bachchan; person: Mehra; person: Kumar; person: Milkha Singh
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: Bachchan, Mehra, Kumar, Milkha Singh 
Answer:
 person: Bachchan; person: Mehra; person: Kumar; person: Milkha Singh