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 each side of square a is increased by 100 percent to make square b . if the length of the side of square b is increased by 80 percent to make square c , by what percent is the area of square c greater than the sum of the areas of squares a and b ? 
Options: a ) 75 % , b ) 80 % , c ) 100 % , d ) 150 % , e ) 159.2 %

Ex Output:
e


Ex Input:
Problem: the surface of a cube is 96 sq cm . find its volume ? 
Options: ['a ) 8 cc', 'b ) 9 cc', 'c ) 2 cc', 'd ) 4 cc', 'e ) 64 cc']

Ex Output:
e


Ex Input:
Problem: three runners running around a circular track can complete one revolution in 2 , 4 and 5.5 respectively . when will they meet at starting point ? 
Options: ['a ) 40 h', 'b ) 44 h', 'c ) 38 h', 'd ) 20 h', 'e ) 22 h']

Ex Output:

b