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 k and w are the dimensions of a rectangle that has area 20 and if k and w are integers such that k > w , what is the total number of possible values of k ? 
Options: ['a ) two', 'b ) three', 'c ) four', 'd ) five', 'e ) six']

Output: b


Input: Consider Input: Problem: the area of a rectangular plot is 23 times its breadth . if the difference between the length and the breadth is 10 metres , what is its breadth ? 
Options: a ) 13 metres , b ) 5 metres , c ) 7.5 metres , d ) data inadequate , e ) none of these

Output: a


Input: Consider Input: Problem: the diagonal of a rectangle is √ 41 cm and its area is 20 sq . cm . the perimeter of the rectangle must be : 
Options: ['a ) 18', 'b ) 28', 'c ) 38', 'd ) 48', 'e ) 58']


Output: a