Task: Question Understanding
Input (English): Question: Tony is asked to collect a sample of water for an experiment. He places it in a jar with no cover, and it sits in the classroom over the weekend. Why is the jar empty when Tony returns on Monday? (A) The water solidified. (B) The water condensed. (C) The water evaporated. (D) The water precipitated.?
Output (English): water, jar, weekend., jar, empty