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: a rectangular farm has to be fenced one long side , one short side and the diagonal . if the cost of fencing is rs . 15 per meter . the area of farm is 1200 m 2 and the short side is 30 m long . how much would the job cost ? 
Options: ['a ) 1276', 'b ) 1200', 'c ) 2832', 'd ) 1800', 'e ) 1236']
Example Output: d

Example Input: Problem: three interviewers , a , b , and c are interviewing 50 applicants . only with three interviewers ' admission can an applicant be admitted . if interviewer a admitted 20 applicants , b admitted 22 applicants , and c admitted 20 applicants , at least how many applicants get the admission ? 
Options: a ) 4 , b ) 0 , c ) 6 , d ) 8 , e ) 12
Example Output: b

Example Input: Problem: the length of rectangle is thrice its breadth and its perimeter is 80 m , find the area of the rectangle ? 
Options: a ) 360 , b ) 376 , c ) 299 , d ) 276 , e ) 111
Example Output:
a