Marge Simpson: What's that whistling?
Homer Simpson: You know what they say in a marriage, don't ask a question you don't know the answer to.
Lisa Simpson: Maggie, you can whistle?
Maggie Simpson:
Lisa Simpson: You're gifted too, maybe more gifted! No, no, I will not get caught in that trap that only one of us is good. We could both be good, like the South Park guys. Except Trey does everything. Trey does everything!