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

Input: Consider Input: Problem: a cylinder is inserted in a sphere d / h = 2 / 3 . find the surface area of the cylinder ? 
Options: ['a ) 23.12', 'b ) 24.12', 'c ) 25.12', 'd ) 26.12', 'e ) 27.12']

Output: c


Input: Consider Input: Problem: 61 small identical cubes are used to form a large cube . how many more cubes are needed to add one top layer of small cube all over the surface of the large cube ? 
Options: a ) 64 , b ) 128 , c ) 152 , d ) 155 , e ) 256

Output: d


Input: Consider Input: Problem: the diagonals of a rhombus are 12 cm and 10 cm . find its area ? 
Options: a ) 158 , b ) 129 , c ) 150 , d ) 123 , e ) 60


Output: e