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 2 km / hr and 3 km / hr respectively . after 4 hours what will be the distance between them ? 
Options: a ) 11 , b ) 20 , c ) 77 , d ) 26 , e ) 12
Output (English): b