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In August 2016 , she returned to reality television by taking part in the eighteenth series of " Celebrity Big Brother " , where she sailed straight through to the finals , after never facing the public vote and finished in fifth place .
 Celebrity Big Brother
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Celebrity Big Brother