Task: Question Understanding
Input (English): Question: What is the relationship between the Earth's rotations and the Sun? (A) One rotation of the Earth is equivalent to one day. The half of the Earth facing the Sun has daytime and the half facing away has nighttime. (B) One rotation of the Earth is equivalent to one month. As the Earth rotates, the Sun goes through many phases. (C) One rotation is equivalent to a day. The Sun, stars, and the Moon rise in the east and travel across the Earth in a linear fashion. (D) One rotation of the Earth is equivalent to one year. It takes that long for the Sun to go around the Earth.?
Output (English): relationship, Earth's, rotations, Sun?