In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: in may , the groundskeeper at spring lake golf club built a circular green with an area of 65 π square feet . in august , the groundskeeper doubled the distance from the center of the green to the edge of the green . what is the total area of the renovated green ? 
Options: a ) 105 π , b ) 130 π , c ) 200 π , d ) 260 π , e ) 320 π

Ex Output:
d


Ex Input:
Problem: three interviewers , a , b , and c are interviewing 30 applicants . only with three interviewers ' admission can an applicant be admitted . if interviewer a admitted 10 applicants , b admitted 12 applicants , and c admitted 15 applicants , at least how many applicants get the admission ? 
Options: a ) 6 , b ) 2 , c ) 0 , d ) 8 , e ) 12

Ex Output:
c


Ex Input:
Problem: the height of a triangle is decreased by 5 % and its base increased by 10 % . its area will 
Options: ['a ) decrease by 12.5 %', 'b ) increase by 12.5 %', 'c ) increase by 4.5 %', 'd ) increase by 25 %', 'e ) none of these']

Ex Output:

c