When you pres the green flag, it will go to a multiple choice question, type either A, B, or C and press enter, at the end it will show you your score, it is really as simple as that...!
I must say, J.K. Rowling did a very good job with her series, so I based this off of her first book, Harry Potter and Sorcerer's Stone or Harry Potter and the Philosopher's stone depending on where you are from ;). Enjoy! TEAM MYSTIC