Task: Question Understanding
Input (English): Question: On a hot day, Jason left his ice-cold water bottle in the car for thirty minutes. He came back and realized that there was water surrounding the outside of the bottle. Why did this happen? (A) It rained onto the bottle. (B) The molecules of the bottle began to separate. (C) Water evaporated onto the bottle. (D) Water vapor condensed onto the bottle.?
Output (English): hot, ice-cold, water, bottle, car, thirty, minutes., water, surrounding, outside, bottle.