Point out three mistakes in this sentence.
Imagine you are stuck in a box: how do you get out?
You're stuck in a box. All you have is a piano. How do you get out?
You're stuck in a box. All you have is a baseball and a bat. How do you get out?
You're stuck in a cement box. You have nothing with you. How do you get out?
What's brown and sticky?
What's pink and eery?
What's flat and silly?