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: find the area of a parallelogram with base 24 cm and height 16 cm . 
Options: a ) 379 , b ) 384 , c ) 345 , d ) 342 , e ) 376
Example Output: b

Example Input: Problem: what is the area of a square field whose sides have a length of 16 meters ? 
Options: a ) 225 sq m , b ) 286 sq m , c ) 298 sq m , d ) 256 sq m , e ) 231 sq m
Example Output: d

Example Input: Problem: the radius of a cylinder is 10 m , height 14 m . the volume of the cylinder is : 
Options: a ) 2200 , b ) 5500 , c ) 3300 , d ) 1100 , e ) 4400
Example Output:
e