here were 4 guys John, tom, kim and ronnie who found a small bottle. When they rubbed the bottle, a genie appeared. Thankful that they had released him , the genie said, "Next to you all are 4 swimming pools, I will give each of you a wish. When you run towards the pool and jump, you shout what you want the pool of water to become, and then your wish will come true."
John ran towards the pool, jumped and shouted "Wine". The pool immediately changed into a pool of wine.
John was ecstatic.
Next came rommie. He did the same and shouted, "Vodka" and immersed himself into a pool of vodka.
kim jumped and shouted, "Beer".
The last of them was ron. He was running towards the pool when suddenly he stepped on a banana peel. He slipped towards the pool and shouted,
Moral of the story : Mind your language; you never know what it will land you in