Task: Question Answering
Input (English): Question: The speed of a boat in still water is 21 km/hr and the rate of current is 8 km/hr. The distance travelled downstream in 13 minutes is

 Option A: 1.6 km

 Option B: 2 km

 Option C: 6.3 km

 Option D: 4 km

 Option E: None of these
Output (English): Option C