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 field is to be fenced on three sides leaving a side of 34 feet uncovered . if the area of the field is 680 sq . ft , how many feet of fencing will be required ? 
Options: a ) 74 ft , b ) 88 ft , c ) 22 ft , d ) 11 ft , e ) 66 ft
Example Output: a

Example Input: Problem: obra drove 150 π meters along a circular track . if the area enclosed by the circular track on which she drove is 57,600 π square meters , what percentage of the circular track did obra drive ? 
Options: ['a ) 6.67 %', 'b ) 12.5 %', 'c ) 18.75 %', 'd ) 25 %', 'e ) 31.25 %']
Example Output: e

Example Input: Problem: if a rectangular billboard has an area of 104 square feet and a perimeter of 42 feet , what is the length of each of the shorter sides ? 
Options: ['a ) 4', 'b ) 7', 'c ) 8', 'd ) 13', 'e ) 26']
Example Output:
c