Task: Question Answering
Input (English): Problem: a train travels from albany to syracuse , a distance of 120 miles , at the average rate of 40 miles per hour . the train then travels back to albany from syracuse . the total travelling time of the train is 5 hours and 24 minutes . what was the average rate of speed of the train on the return trip to albany ? 
Options: a ) 45 , b ) 20 , c ) 30 , d ) 40 , e ) 50
Output (English): e