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 area of square field whose side of length 5 m ? 
Options: a ) 80 sq m , b ) 26 sq m , c ) 25 sq m , d ) 45 sq m , e ) 96 sq m

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: a rectangular lawn 70 m × 30 m has two roads each 5 metres wide , running in the middle of it , one parallel to the length and the other parallel to the breadth . find the cost of gravelling the road at the rate of 4 per square metre . 
Options: ['a ) 2,000', 'b ) 1,800', 'c ) 1,900', 'd ) 1,700', 'e ) none of these']

Ex Output:

c