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: stacy and heather are 30 miles apart and walk towards each other along the same route . stacy walks at constant rate that is 1 mile per hour fast than heather ' s constant rate of 5 miles / hour . if heather starts her journey 24 minutes after stacy , how far from the original destination has heather walked when the two meet ? .
Options: a ) 15 mile , b ) 14 mile , c ) 11 mile , d ) 10 mile , e ) 12.5 mile

Ex Output:
e

Ex Input:
Problem: in a garment industry , 12 men working 8 hours per day complete a piece of work in 10 days . to complete the same work in 8 days , working 5 hours a day , the number of men required is :
Options: a ) 24 , b ) 5 , c ) 6 , d ) 8 , e ) 9

Ex Output:
a

Ex Input:
Problem: two numbers n and 12 have lcm = 48 and gcf = 8 . find n .
Options: a ) 24 , b ) 34 , c ) 44 , d ) 54 , e ) 32

Ex Output:
e