17135
He also swam a leg ( split of 47.96 ) in the world record breaking 4 × 100-meter freestyle relay along with Michael Phelps , Neil Walker and Jason Lezak .
 person: Michael Phelps; person: Neil Walker; person: Jason Lezak
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: Michael Phelps, Neil Walker, Jason Lezak 
Answer:
 person: Michael Phelps; person: Neil Walker; person: Jason Lezak