watered side walk (medium)

Question: A man pulls over and goes into a building.He came back with a bucket of water,he dumps it on the sidewalk.Why did he pour the water on the sidewalk?

Question: Why did the hen cross the road?

Question: What do you call a sad bird?

Question: What is an astronaut's favorite key on the keyboard?

Question: What is the tallest building in the world?

Question: What tastes better than it smells?