95551
They rotated between Windsor , Regent 's Park and Knightsbridge from 1821 .
 location: Windsor; location: Regent 's Park; location: Knightsbridge
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: Windsor, Regent 's Park, Knightsbridge 
Answer:
 location: Windsor; location: Regent 's Park; location: Knightsbridge