you're at your favorite idol's concert, sitting in the front row. suddenly his sister comes out. everyone including you is in shock by her beauty and how much she looks like her brother. she then looks at you from the stage and points at you with her index finger then says, "you're a pretty girl, be my girlfriend", the whole crowd suddenly becomes silent and everyone looks at you, waiting for your answer. suddenly everyone shouts at you, telling you to say yes. what do you say to her?