It's that faucet-thing that's so tricky

"Mommy, you wanna play restoran?"

"Sure, Peter. Do you have a menu? What's on the menu?" He scans his hands.

"Um...lessee...chicken...fries...soda..."

"Mmmm...how about soup? Do you have any soup?"

"Yes, soup...and rice!"

"Oh! I would like some soup and rice, please."

"Okay, Mommy," says my little waiter. He turns to go get my order.

"Oh, Peter, do you have any water? I would like some water, too, please."

He agrees and starts to go, but stops and turns back. "But I don't know how to make water."