Do we need medicine?
Yes, we do.
Do we need the air?
Yes, we do.
Do we need bread?
Yes, we do.
Do we need water?
Yes, we do.
Why do we need a home?
Because it keeps us safe.
Do we need soda?
No, we don't.
Do we need a toy car?
No, we don't.
Why do we need clothes?
Because it keeps us warm.
Why do we need fruit?
Because they keep us healthy.
Do we need a teddy bear?
No, we don't.