How many pencils?
Four
How many pens?
Two
What's this?
It's a laptop/computer.
How many pens?
Seven
How many pencils?
Sixteen
How many pens?
Twelve
What's this?
It's a door.
What's this?
It's a notebook.
What's this?
It's a bag.
What's this?
It's a desk.
What's this?
It's a chair.
What's this?
It's a window.
What's this?
It's a clock.