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 area of the largest circle that can be drawn inside a rectangle with sides 18 cm by 14 cm is
Options: ['a ) 237', 'b ) 154', 'c ) 2376', 'd ) 198', 'e ) 171']
Example Output: b

Example Input: Problem: how many pieces can a square pizza be cut into by making 6 linear cuts ?
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24
Example Output: c

Example Input: Problem: find the surface area of a 8 cm x 6 cm x 2 cm brick .
Options: a ) 112 cu cm , b ) 136 cu cm , c ) 164 cu cm , d ) 180 cu cm , e ) 152 cu cm
Example Output:
e