Instruct: Classify the following sentence into a predefined topic category:
when you want to see a rated R movie you have to be 18 how come u have to be 21 when u bring someone under 18?
Assign it to one of the following topics:[Society & Culture, Science & Mathematics, Health, Education & Reference, Computers & Internet, Sports, Business & Finance, Entertainment & Music, Family & Relationships, Politics & Government]
Output: