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: in a company of 160 employees , 90 are females . a total of 80 employees have advanced degrees and the rest have a college degree only . if 40 employees are males with college degree only , how many employees are females with advanced degrees ?
Options: a ) 40 , b ) 45 , c ) 50 , d ) 55 , e ) 60
Example Output: c

Example Input: Problem: the radius of a cylinder is 8 m , height 14 m . the volume of the cylinder is :
Options: a ) 2816 , b ) 5500 , c ) 3300 , d ) 1100 , e ) 4400
Example Output: a

Example Input: Problem: the measurement of a rectangular box with lid is 50 cmx 30 cmx 38 cm . find the volume of the largest sphere that can be inscribed in the box ( in terms of cm 3 ) . ( hint : the lowest measure of rectangular box represents the diameter of the largest sphere )
Options: a ) 288 , b ) 4500 , c ) 7200 , d ) 864 , e ) 9640
Example Output:
b