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: what is the area of square field whose side of length 15 m ? 
Options: ['a ) 225 sq m', 'b ) 186 sq m', 'c ) 586 sq m', 'd ) 287 sq m', 'e ) 296 sq m']

Output: a


Input: Consider Input: Problem: the edges of cuboid are 4 cm ; 5 cm and 6 cm . find its surface area ? 
Options: ['a ) 228', 'b ) 148', 'c ) 992', 'd ) 772', 'e ) 222']

Output: b


Input: Consider Input: Problem: a 12 by 16 rectangle is inscribed in circle . what is the circumference of the circle ? 
Options: a ) 5 π , b ) 10 π , c ) 15 π , d ) 20 π , e ) 30 π


Output: d