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

Ex Input:
Problem: the volume of a certain substance is always directly proportional to its weight . if 48 cubic inches of the substance weigh 112 ounces , what is the volume , in cubic inches , of 56 ounces of this substance ? 
Options: a ) 27 , b ) 36 , c ) 42 , d ) 24 , e ) 147

Ex Output:
d


Ex Input:
Problem: the length of a rectangular plot is thrice its breadth . if the area of the rectangular plot is 507 sq m , then what is the breadth of the rectangular plot ? 
Options: a ) 16 , b ) 17 , c ) 13 , d ) 19 , e ) 14

Ex Output:
c


Ex Input:
Problem: if the sides of a square are multiplied by 5 , the area of the original square is how many times as large as the area of the resultant square ? 
Options: a ) 4 % , b ) 25 % , c ) 50 % , d ) 200 % , e ) 400 %

Ex Output:

a