4950
The film features appearances from many famous skaters such as Tony Alva , Tony Hawk , Christian Hosoi and Steve Caballero .
 person: Tony Alva; person: Tony Hawk; person: Christian Hosoi; person: Steve Caballero
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: Tony Alva, Tony Hawk, Christian Hosoi, Steve Caballero 
Answer:
 person: Tony Alva; person: Tony Hawk; person: Christian Hosoi; person: Steve Caballero