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: the side of a square has the length of 6 . what is the area of the region shaded ?
Options: ['a ) 48 - 8 ', 'b ) 48 - 6 ', 'c ) 24 + 6 ', 'd ) 16 + 8 ', 'e ) 64 - 8 ']
Example Output: b

Example Input: Problem: carmen made a sculpture from small pieces of wood . the sculpture is 2 feet 6 inches tall . carmen places her sculpture on a base that is 12 inches tall . how tall are the sculpture andbase together ?
Options: a ) 3.1 feet , b ) 3.2 feet , c ) 3.3 feet , d ) 3.4 feet , e ) 3.83 feet
Example Output: e

Example Input: Problem: the diagonals of a rhombus are 10 cm and 12 cm . find its area ?
Options: a ) 158 , b ) 60 , c ) 150 , d ) 123 , e ) 117
Example Output:
b