A prisoner was stuck in a metal room with a metal door that was locked. There was no windows and nothing in the room but a piano. What can he do to escape?
Play the piano till he finds the right key.
Mì ăn liền và phở ăn liền, cái nào mở ra là ăn liền được?
Mì ăn liền (Chưa thấy ai ăn phở sống bao giờ)