Complete as in the example

1. A: Is it a classroom?
   B: No, it isn't. It's a school.
2. A: Are they pens?
   B: Yes, they are.
3. A: Is it an atlas?
   B: No, it isn't. It's a notebook.
4. A: Are they notepads?
   B: Yes, they are.
5. A: Is it a teacher's table?
   B: No, it isn't. It's a camera.