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 sector of a circle whose radius is 12 metro and whose angle at the center is 42 is ?
Options: a ) 56.8 m 2 , b ) 82.9 m 2 , c ) 52.8 m 2 , d ) 17.9 m 2 , e ) 72.9 m 2

Ex Output:
c

Ex Input:
Problem: the length of a rectangular landscape is 8 times its breadth . there is a playground in it whose area is 1200 square mtr & which is 1 / 6 rd of the total landscape . what is the length of the landscape ?
Options: a ) 180 , b ) 270 , c ) 340 , d ) 140 , e ) 240

Ex Output:
e

Ex Input:
Problem: an entry in an unshaded square is obtained by adding the entries connected to it from the row above ( 11 is one such number ) . write the value of n ?
Options: ['a ) 10', 'b ) 11', 'c ) 12', 'd ) 9', 'e ) 8']

Ex Output:
a