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: if the sides of a triangle are 28 cm , 26 cm and 10 cm , what is its area ? 
Options: a ) 120 cm 2 , b ) 112 cm 2 , c ) 776 cm 2 , d ) 130 cm 2 , e ) 886 cm 2

Output: d


Input: Consider Input: Problem: a and b are two circles . the radius of a is four times as large as the diameter of b . what is the ratio between the areas of the circles ? 
Options: ['a ) 1 : 8 .', 'b ) 1 : 2 .', 'c ) 1 : 24 .', 'd ) 1 : 64 .', 'e ) 1 : 6 .']

Output: d


Input: Consider Input: Problem: the length of a rectangle is increased by 35 % and its breadth is decreased by 20 % . what is the effect on its area ? 
Options: a ) 10800 , b ) 1299 , c ) 1000 , d ) 10000 , e ) 2887


Output: a