6536
After a recurrence of infection in August 2012 , while staying at Balmoral Castle , he was admitted to Aberdeen Royal Infirmary for five nights as a precautionary measure .
 location: Balmoral Castle; location: Aberdeen Royal Infirmary
Please list all entity words in the text that fit the category.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} 
Answer:
 location: Balmoral Castle; location: Aberdeen Royal Infirmary