In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: the area of a triangle will be when a = 2 m , b = 5 m , c = 7 m , a , b , c being lengths of respective sides ? 
Options: a ) 2 , b ) 7 , c ) 5 , d ) 3 , e ) 4

Output: b


Input: Consider Input: Problem: a 25 cm wide path is to be made around a circular garden having a diameter of 4 meters . approximate area of the path is square meters is 
Options: ['a ) 3.34', 'b ) 3.36', 'c ) 3.34', 'd ) 6.32', 'e ) 3.31']

Output: a


Input: Consider Input: Problem: find the area of a rhombus whose side is 25 cm and one of the diagonals is 30 cm ? 
Options: ['a ) 600', 'b ) 881', 'c ) 767', 'd ) 261', 'e ) 121']


Output: a