Task: Question Understanding
Input (English): Question: New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet? (A) millimeters (B) centimeters (C) meters (D) kilometers?
Output (English): 5.5, m, 4.6, m., smallest, unit