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: on a map the distance between two mountains is 312 inches . the actual distance between the mountains is 140 km . ram is camped at a location that on the map is 34 inch from the base of the mountain . how many km is he from the base of the mountain ? 
Options: a ) 14.83 , b ) 14.81 , c ) 14.8 , d ) 15.25 , e ) 14.12

Ex Output:
d


Ex Input:
Problem: if the wheel is 14 cm then the number of revolutions to cover a distance of 3520 cm is ? 
Options: a ) 22 , b ) 28 , c ) 17 , d ) 12 , e ) 40

Ex Output:
e


Ex Input:
Problem: a and b working together could mow a field in 28 days and with the help of c they could have mowed it in 21 days . how long would c take by himself ? 
Options: a ) 68 days , b ) 84 days , c ) 90 days , d ) 72 days , e ) 50 days

Ex Output:

b