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: find the area of a parallelogram with base 18 cm and height 10 cm ? 
Options: a ) 281 , b ) 284 , c ) 288 , d ) 255 , e ) 180

Ex Output:
e


Ex Input:
Problem: the length and breadth of a rectangle is increased by 3 % and 6 % respectively . what is the increase in the area ? 
Options: a ) 9.18 , b ) 9.25 , c ) 9.5 , d ) 8.98 , e ) 8.88

Ex Output:
a


Ex Input:
Problem: if radius of a circle is reduced by 10 % , then how much % of its area will be reduced ? 
Options: ['a ) 10 %', 'b ) 19 %', 'c ) 20 %', 'd ) 36 %', 'e ) 30 %']

Ex Output:

b