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: what is the perimeter , in meters , of a rectangular garden 12 meters wide that has the same area as a rectangular playground 16 meters long and 12 meters wide ? 
Options: a ) 48 , b ) 56 , c ) 60 , d ) 56 , e ) 192

Ex Output:
d


Ex Input:
Problem: a squirrel runs up a cylindrical post , in a perfect spiral path making one circuit for each rise of 3 feet . how many feet does the squirrel travels if the post is 27 feet tall and 3 feet in circumference ? 
Options: a ) 10 feet , b ) 12 feet , c ) 27 feet , d ) 15 feet , e ) 18 feet

Ex Output:
c


Ex Input:
Problem: which is the smallest number divides 2800 and gives a perfect square . 
Options: ['a ) 5', 'b ) 6', 'c ) 7', 'd ) 8', 'e ) 9']

Ex Output:

c