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 length of a rectangular plot is 10 mtr more than its width . the cost of fencing the plot along its perimeter at the rate of rs . 6.5 mtr is rs . 1690 . the perimeter of the plot is ? 
Options: a ) 126 , b ) 156 , c ) 190 , d ) 321 , e ) 260

Ex Output:
e


Ex Input:
Problem: if the sides of a triangle are 28 cm , 26 cm and 10 cm , what is its area ? 
Options: a ) 120 cm 2 , b ) 112 cm 2 , c ) 776 cm 2 , d ) 130 cm 2 , e ) 886 cm 2

Ex Output:
d


Ex Input:
Problem: the ratio of the radius of two circles is 1 : 4 , and then the ratio of their areas is ? 
Options: a ) 1 : 16 , b ) 1 : 6 , c ) 1 : 9 , d ) 1 : 3 , e ) 1 : 2

Ex Output:

a