Definition: You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.
Input: which topics is movie Mean Girls about?

based on a book, comedy, funny, drama, revenge, high school, coming of age, friendship, seen more than once, hilarious, overrated, movie to see, clever, to see, bechdel test:pass, teen movie, bob*ola, africa, romantic, quotable, rachel mcadams, watched 2006, must see, innocence lost, manipulation, ohsoso, lindsay lohan, tina fey, saturday night live, amanda seyfried, lesbian subtext, suprisingly clever, 2000s, amy poehler, clique, popularity, mark waters, lizzy caplan, lacey chabert, tim meadows