Task: Question Answering
Input (English): Problem: a person travels equal distances with speed of 3 km / hr , 4 km / hr and 5 km / hr and takes a total of 47 minutes . find the total distane 
Options: a ) 3 km , b ) 4 km , c ) 6 km , d ) 9 km , e ) 5 km
Output (English): a