Does he need corn?
Yes, he does.
No, he doesn't. He needs green peas.
How many yellow peppers do you need?
I need two yellow peppers.
I need four yellow peppers.
Do they need potatoes?
No, they don't. They need mushrooms.
Yes, they do.
Do you need mushrooms?
No, I don't. I need cucumbers.
No, I don't. I need carrots.
Do you need red peppers?
Yes, I don't.
No, I don't. I need yellow peppers.
How many onions does she need?
She needs five onions.
She needs three onions.