Mr. Wawan : Students, don’t be noisy. Attention please!
Students : Yes, Sir
Mr. Wawan : Okay, tomorrow we will do examination
Students : What!
Mr. Wawan : Listen to me!
Students : Yes, Sir
Mr. Wawan : The material that should be learned is from
Chapter 1 until Chapter 3. Don’t forget to
study in your home
Students : Yes, Sir
The conversation is about?