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 ratio of the areas of two squares , one having double its diagonal then the other is :
Options: ['a ) 2 : 1', 'b ) 1 : 2', 'c ) 2 : 3', 'd ) 1 : 4', 'e ) 4 : 1']

Ex Output:
e

Ex Input:
Problem: a number when divided by 6 leaves a remainder 3 . when the square of the same number is divided by 6 , the remainder is
Options: a ) 0 , b ) 1 , c ) 2 , d ) 3 , e ) 4

Ex Output:
d

Ex Input:
Problem: marla is hanging a banner diagonally across a rectangular room . the length of the room is 3 feet shorter than its width . if the total area of the room is 130 square feet , what is the length of the banner ( in feet ) ?
Options: ['a ) between 16 and 17', 'b ) between 17 and 18', 'c ) between 18 and 19', 'd ) between 19 and 20', 'e ) between 20 and 21']

Ex Output:
a