Task: Question Answering
Input (English): Problem: a boat running upstream takes 8 hours 48 minutes to cover a certain distance , while it take 4 hours to cover the same distance running downstream . what is the ratio between the speed of the boat and speed of the water current respectively ? 
Options: a ) 1 : 3 , b ) 3 : 8 , c ) 6 : 3 , d ) 8 : 3 , e ) none
Output (English): d