Whose cap is this ?
It's HIS cap.
What are these ?
They're sneakers.
What is this?
It's a jacket.
Whose jacket is this ?
It's HER jacket.
What is this?
It's a sweater.
What is this?
It's a water bottle.
What is this?
It's a lunch box.
Whose bags are these ?
They're THEIR bags.
Whose pencil is this ?
It's your pencil.
What is this?
It's a cap.