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: we need to carve out 125 identical cubes from a cube . what is the minimum number of cuts needed ?
Options: ['a ) 8', 'b ) 9', 'c ) 10', 'd ) 11', 'e ) 12']
Example Output: e

Example Input: Problem: find the area of a parallelogram with base 32 cm and height 15 cm .
Options: a ) 200 , b ) 384 , c ) 345 , d ) 480 , e ) 242
Example Output: d

Example Input: Problem: there are 7 non - collinear points . how many triangles can be drawn by joining these points ?
Options: a ) 22 , b ) 38 , c ) 35 , d ) 29 , e ) 18
Example Output:
c