Think Before You Speak

There were four guys, a French, a Russian, a German and an American, who found a small genie bottle. When they rubbed the bottle, a genie appeared. Thankful that the four guys had released him out of the bottle, the genie said, "I will give each of you a wish. In front of you, there are four swimming pools. When you run towards the pool and jump, you shout what you want the pool of water to become, your wish will come true."
The French started. He ran towards the pool, jumped and shouted, "WINE". There he jumped into a pool of wine.
Next the Russian followed. He ran towards the pool, jumped and shouted, "VODKA". There he jumped into a pool of vodka.
Then it was the German's turn. He ran towards the pool, jumped and shouted, "BEER". There he jumped into a pool of beer.
Lastly it was the American. He ran towards the pool but stepped on a banana peel. He slipped towards the pool and shouted, "SHIT". There he jumped into a pool of ............................