Task: Question Answering
Input (English): Rhea is a moon of Saturn. Which of these facts about Rhea best indicates that it does not have a water cycle in which water changes state?  
 (A) Its radius is 765 km. (B) Its density is about 1.3 kg/m3. (C) Its period of rotation is about 4.5 Earth days. (D) Its temperature is between -174°C and -220°C.
Output (English): D