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: the area of a circular field is 17.56 hectares . find the cost of fencing it at the rate of rs . 3 per metre approximately 
Options: ['a ) 4457', 'b ) 4567', 'c ) 4235', 'd ) 4547', 'e ) 4675']

Ex Output:
a


Ex Input:
Problem: if the side length of square b is sqrt ( 3 ) times that of square a , the area of square b is how many times the area of square a ? 
Options: ['a ) 9', 'b ) 6', 'c ) 4', 'd ) 3', 'e ) 2']

Ex Output:
d


Ex Input:
Problem: find the area of a parallelogram with base 15 cm and height 40 cm ? 
Options: a ) 200 cm 2 , b ) 100 cm 2 , c ) 42 cm 2 , d ) 600 cm 2 , e ) 230 cm 2

Ex Output:

d