In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: if a truck is traveling at a constant rate of 54 kilometers per hour , how many seconds will it take the truck to travel a distance of 600 meters ? ( 1 kilometer = 1000 meters ) 
Options: a ) 18 , b ) 24 , c ) 30 , d ) 36 , e ) 40

Ex Output:
e


Ex Input:
Problem: a , b and c can complete a piece of work in 24 , 6 and 12 days respectively . working together , they will complete the same work in : 
Options: a ) 33 / 7 , b ) 43 / 7 , c ) 24 / 7 , d ) 19 / 7 , e ) none

Ex Output:
c


Ex Input:
Problem: a can do a work in 14 days and working together a and b can do the same work in 10 days . in what time can b alone do the work ? 
Options: a ) 25 days , b ) 30 days , c ) 23 days , d ) 35 days , e ) 45 days

Ex Output:

d


