Task: Question Understanding
Input (English): Question: Which best describes a characteristic of the jet stream? (A) It forms a boundary between a cold air mass and a warm air mass. (B) It creates the high winds around the eye of a hurricane. (C) It forces the hot air along the equator to rise to areas in North America. (D) It causes high pressure air masses to rotate clockwise.?
Output (English): characteristic, jet, stream?