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: what is the perimeter of a square field whose diagonal is 4 √ 2 ? 
Options: a ) 16 m , b ) 32 m , c ) 27 m , d ) 26 m , e ) 76 m

Ex Output:
a


Ex Input:
Problem: what is the total surface area in square meters of a rectangular solid whose length is 5 meters , width is 4 meters , and depth is 1 meters ? 
Options: a ) 48 m 2 , b ) 40 m 2 , c ) 50 m 2 , d ) 58 m 2 , e ) 62 m 2

Ex Output:
d


Ex Input:
Problem: what will be the cost of building a fence around a square plot with area equal to 289 sq ft , if the price per foot of building the fence is rs . 57 ? 
Options: a ) 3944 , b ) 920 , c ) 7290 , d ) 3876 , e ) 3729

Ex Output:

d