Two men are in a desert. They both have packs on. One of the guys is dead. The guy who is alive has his pack open, the guy who is dead has his pack closed. What is in the pack?
A parachute (that didn't open)
Bên trái đường có một căn nhà xanh, bên phải đường có một căn nhà đỏ. Vậy, nhà trắng ở đâu ?