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: 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: one side of a rectangular field is 15 m and one of its diagonals is 17 m . find the area of the field in meter square
Options: a ) 100 , b ) 110 , c ) 120 , d ) 130 , e ) 140

Ex Output:
c

Ex Input:
Problem: what is the perimeter of a square field whose diagonal is 4 2 ?
Options: a ) 16 m , b ) 32 m , c ) 27 m , d ) 26 m , e ) 76 m

Ex Output:
a