Where were the posters?
They were on the wall.
What's this?
paintbrush
What are these?
scissors
What's this?
water bottle
Where was the lunchbox?
It was on the table.
What's this?
stapler
What are these?
glue sticks
What are these?
pencil sharpeners
What are these?
magazines
Were there any paintbrushes on the table?
No, there weren't
Were there any paintbrushes on the table?
Yes, there were.
What is this?
lunchbox
What's this?
calculator
What's this?
folder
What are these?
Posters
Where there any calculators on the table?
No, there weren't