Task: Question Answering
Input (English): Problem: a train 250 m long is running at a speed of 68 kmph . how long does it take to pass a man who is running at 8 kmph in the same direction as the train ? 
Options: a ) 15 sec , b ) 9 sec , c ) 12 sec , d ) 15 sec , e ) 18 sec
Output (English): a