Task: Question Answering
Input (English): Problem: a man can row at 5 kmph in still water. if the velocity of current is 1 kmph and it takes him 2 hour to row to a place and come back, how far is the place ?
Options: a. 2.4 km, b. 4.8 km, c. 3.4 km, d. 4.4 km, e. 5.6 km
Output (English): b