Task: Question Answering
Input (English): Problem: roja and pooja start moving in the opposite directions from a pole . they are moving at the speeds of 6 km / hr and 3 km / hr respectively . after 4 hours what will be the distance between them ? 
Options: a ) 22 km , b ) 20 km , c ) 65 km , d ) 18 km , e ) 36 km
Output (English): e