Task: Question Understanding
Input (English): Question: A student finds that 50 grams of ice has a greater volume than 50 grams of water. What is the reason for this? (A) Liquid water expands when it freezes. (B) Energy increases when it freezes. (C) Energy is absorbed when it freezes. (D) Liquid water contracts when it freezes.?
Output (English): 50, grams, ice, greater, volume, 50, grams, water., reason