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Media reported in 2017 that the trend of low-rise jeans , famous in 1990 s and 2000 s as sagging , was coming back in fashion due to celebrities like Justin Bieber endorsing it .
 person: Justin Bieber
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: Justin Bieber 
Answer:
 person: Justin Bieber