1. What will get smaller if you turn it upside down?
2. Can anyone be safe if a man-eating lion is at large (无人看管)?
3. What did the big chimney say to the little chimney while working?
Answers:
1. A lot, such as 9, 99, 991, 999…
2. Yes. Women and girls.
3. "You're too young to smoke."
