Task: Question Answering
Input (English): Problem: a bullet train 120 m long is running with a speed of 50 kmph . in what time will it pass a man who is running at 4 kmph in the direction opposite to that in which the bullet train is going ? 
Options: a ) 23 sec , b ) 15 sec , c ) 12 sec , d ) 8 sec , e ) 16 sec
Output (English): d