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 area of a square field whose diagonal of length 22 m ? 
Options: a ) 300 sq m , b ) 220 sq m , c ) 200 sq m , d ) 400 sq m , e ) 800 sq m

Ex Output:
b


Ex Input:
Problem: the length of a rectangular landscape is 3 times its breadth . there is a playground in it whose area is 1600 square mtr & which is 1 / 3 rd of the total landscape . what is the length of the landscape ? 
Options: a ) 90 , b ) 160 , c ) 150 , d ) 120 , e ) 140

Ex Output:
c


Ex Input:
Problem: find the sum of divisors of 544 which are perfect squares . 
Options: a ) 32 , b ) 64 , c ) 42 , d ) 21 , e ) none of these

Ex Output:

d