14. Grass Whistle

A: What was that sound?

B: What sound?

A: It sounded like a whistle.

B: I didn't hear anything.

A: The sound came from you!

B: I admit it, I made the sound.

A: How did you do that?

B: I made a whistle with a blade of grass.

A: Teach me how to do it!

B: Why do you want to learn?

A: I want to surprise my sister when I get home.

B: You're a mean older sister.