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

Example Input: Problem: danny is sitting on a rectangular box . the area of the front face of the box is half the area of the top face , and the area of the top face is 1.5 times the area of the side face . if the volume of the box is 192 , what is the area of the side face of the box ? 
Options: a ) 13 , b ) 16 , c ) 18 , d ) 29 , e ) 32
Example Output: e

Example 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
Example Output: a

Example Input: Problem: what will be the ratio between the area of a rectangle and the area of a triangle with one of the sides of the rectangle as base and a vertex on the opposite side of the rectangle ? 
Options: ['a ) 1 : 1', 'b ) 1 : 2', 'c ) 2 : 3', 'd ) 2 : 1', 'e ) none of these']
Example Output:
d