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 total surface area of a cuboid length 12 m , breadth 10 m and height 8 m . 
Options: ['a ) 576', 'b ) 566', 'c ) 596', 'd ) 556', 'e ) 586']

Ex Output:
c


Ex Input:
Problem: the parameter of a square is equal to the perimeter of a rectangle of length 9 cm and breadth 6 cm . find the circumference of a semicircle whose diameter is equal to the side of the square . ( round off your answer to two decimal places ) ? 
Options: a ) 11.72 , b ) 11.52 , c ) 11.97 , d ) 10.91 , e ) 11.79

Ex Output:
e


Ex Input:
Problem: the length of rectangle is thrice its breadth and its perimeter is 112 m , find the area of the rectangle ? 
Options: a ) 432 sq m , b ) 356 sq m , c ) 452 sq m , d ) 588 sq m , e ) 525 sq m

Ex Output:

d