6447
In 1993 , he was signed by Billy Ayre 's Blackpool .
 person: Billy Ayre; organization: Blackpool
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: Billy Ayre, Blackpool 
Answer:
 person: Billy Ayre; organization: Blackpool