Who is this?
This is a teacher.
Who is this?
This is a student.
What is this?
This is a hallway.
Where are they?
They are in the lunchroom.
What is this?
This is a classroom.
What do they do?
They speak.
What is this?
This is a chair.
What is this?
This is a desk.
What is this?
This is a whiteboard.
