Are you at the playground? (Yes)
Yes, I am.
Where are you?
I'm at the store.
Are you at the shop? (No)
No, I'm not. I'm at the hospital.
Where are you?
I'm at the mall.
Where are you?
I'm at the bookstore.
Where are you?
I'm at school.
Are you at the supermarket? (Yes)
Yes, I am.
Where are you?
I'm at the park.
Are you at school? (No)
No, I'm not. I'm at home.
Are you at the bookstore? (No)
No, I'm not. I'm at the restaurant.