Task: Question Answering
Input (English): Problem: the speed at which a man can row a boat in still water is 26 kmph . if he rows downstream , where the speed of current is 4 kmph , what time will he take to cover 150 metres ? 
Options: a ) 18 , b ) 27 , c ) 28 , d ) 12 , e ) 25
Output (English): a