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The series has also spawned four spin-off series : " Celebrity MasterChef Australia " , which featured celebrity contestants , " Junior MasterChef Australia " , which featured younger contestants , " MasterChef Australia All-Stars " , which featured returning contestants from the first three series , These spin-off shows did not air in 2014 after the producers of the show announced that they wanted to solely focus on the original version .
 Celebrity MasterChef Australia, Junior MasterChef Australia, MasterChef Australia All-Stars
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 MasterChef Australia, Junior MasterChef Australia, MasterChef Australia All-Stars