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: find the area of a rhombus one side of which measures 20 cm and one diagonal is 28 cm . 
Options: ['a ) 200 cm 2', 'b ) 300 cm 2', 'c ) 400 cm 2', 'd ) 448 cm 2', 'e ) 100 cm 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


Ex Input:
Problem: a rectangular room has the rectangular shaped rug shown as above figure such that the rug ’ s area is 160 square feet and its length is 6 feet longer than its width . if the uniform width between the rug and room is 6 feet , what is the area of the region uncovered by the rug ( shaded region ) , in square feet ? 
Options: a ) 32 , b ) 456 , c ) 40 , d ) 46 , e ) 104

Ex Output:

b