34981
He took up tennis at the age of 11 , and was discovered by Fred Perry and Dan Maskell .
 person: Fred Perry; person: Dan Maskell
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: Fred Perry, Dan Maskell 
Answer:
 person: Fred Perry; person: Dan Maskell