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

Ex Input:
Problem: right triangle pqr is to be constructed in the xy - plane so that the right angle is at p and pr is parallel to the x - axis . the x and y coordinates of p , q and r are to be integers that satisfy the inequalitites - 4 ≤ x ≤ 5 and 6 ≤ y ≤ 16 . how many different triangles with these properties could be constructed ? 
Options: a ) 110 , b ) 1100 , c ) 9900 , d ) 10000 , e ) 12100

Ex Output:
c


Ex Input:
Problem: how many pieces can a square pizza be cut into by making 6 linear cuts ? 
Options: a ) 20 , b ) 21 , c ) 22 , d ) 23 , e ) 24

Ex Output:
c


Ex Input:
Problem: the perimeter of a rectangular yard is completely surrounded by a fence that measures 14 meters . what is the length of the yard if the area of the yard is 6 meters squared ? 
Options: a ) 8 , b ) 6 , c ) 2 , d ) 4 , e ) 3

Ex Output:

b