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: find the area of a parallelogram with base 12 cm and height 10 cm ?
Options: a ) 297 cm 2 , b ) 384 cm 2 , c ) 120 cm 2 , d ) 267 cm 2 , e ) 186 cm 2

Output: c

Input: Consider Input: Problem: the ratio of radius of a circle and the side of a square is 2 : 13 . find the ratio of their areas :
Options: ['a ) 2 : 1', 'b ) 4 : 7', 'c ) 8 : 77', 'd ) 4 : 169', 'e ) none']

Output: d

Input: Consider Input: Problem: for a right angle triangle the hypotenuse is 5 and base is 3 . what is the area of the triangle ?
Options: ['a ) 6', 'b ) 7', 'c ) 8', 'd ) 9', 'e ) 10']
Output: a