Task: Question Answering
Input (English): Problem: two train each 500 m long , are running in opposite directions on parallel tracks . if their speeds are 45 km / hr and 30 km / hr respectively , the time taken by the slower train to pass the driver of the faster one is 
Options: a ) 50 sec , b ) 58 sec , c ) 24 sec , d ) 22 sec , e ) 21 sec
Output (English): c