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The series was announced on February 27 , 2012 , as the third installment of the " Teen Mom " franchise , coming one day before " Teen Mom 2 " concluded its second season .
 Teen Mom, Teen Mom 2
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:
 Teen Mom, Teen Mom 2