A: Do you know Beijing Badaling Wildlife Zoo?
A: Yes. It is dangerous to walk around the self-drive area because animals walk freely there. So people aren't allowed to get out of their cars.
A: No she didn't. She got out of her own car and was attacked (攻击) by a tiger.
B: How stupid of her! I plan to go there with my family this weekend
A: Sure. You can drive your car. But you need to take the sightseeing bus at the dangerous area
B: I won't.
A: And there are many signs.
B: I will. Thank you.
A. You must follow them.