<human>:  Why did the sandstorm happen in the movie ‘The Desert’?
<bot>: The sandstorm happened because the wind was blowing in the direction of the sun. The wind was blowing in the direction of the sun because the Earth was rotating. The Earth was rotating because the Earth was spinning on its axis. The Earth was spinning on its axis because the Earth was orbiting the sun. The Earth was orbiting the sun because the sun was orbiting the center of the Milky Way galaxy. The sun was orbiting the center of the Milky Way galaxy because the Milky Way galaxy was orbiting the center of the universe. The Milky Way galaxy was orbiting the center of the universe because the universe was expanding. The universe was expanding because it was expanding.