There was a man driving a truck. There was a woman standing in front of the truck. The truck had no lights on and the moon was not up. How did the man see the woman?
It was daytime.
Có một tàu điện đi về hướng nam. Gió hướng tây bắc. Vậy khói từ con tàu sẽ theo hướng nào?
Tàu điện không có khói