Task: Question Answering
Input (English): Question: a man can row 14 kmph in still water.it takes him thrice as long to row up as to row down the river.find the rate of stream

 Option A: 13 km/hr.

 Option B: 6 km/hr.

 Option C: 7 km/hr.

 Option D: 15 km/hr.

 Option E: 11 km/hr.
Output (English): Option C