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 largest four - digit number which is a perfect cube , is 
Options: ['a ) 8000', 'b ) 9261', 'c ) 9999', 'd ) none of these', 'e ) can not be determined']
Example Output: b

Example Input: Problem: a rectangular paper , when folded into two congruent parts had a perimeter of 34 cm for each part folded along one set of sides and the same is 38 cm when folded along the other set of sides . what is the area of the paper ? 
Options: ['a ) 140 cm', 'b ) 240 cm 2', 'c ) 560 cm 2', 'd ) none of these', 'e ) can not be determined']
Example Output: a

Example Input: Problem: a circle in the coordinate plane passes through points ( - 3 , - 2 ) and ( - 1 , 4 ) . what is the smallest possible area of that circle ? 
Options: a ) 13 π , b ) 26 π , c ) 10 π , d ) 52 π , e ) 64 π
Example Output:
c