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: rectangular tile each of size 20 cm by 30 cm must be laid horizontally on a rectangular floor of size 100 cm by 150 cm , such that the tiles do not overlap and they are placed with edges jutting against each other on all edges . a tile can be placed in any orientation so long as its edges are parallel to the edges of floor . no tile should overshoot any edge of the floor . the maximum number of tiles that can be accommodated on the floor is : 
Options: a ) 40 , b ) 15 , c ) 25 , d ) 32 , e ) 45

Ex Output:
c


Ex Input:
Problem: the perimeter of a rectangle is 60 mete ( 132 ) 7 × ( 132 ) ? = ( 132 ) 11.5 . 
Options: a ) 3 , b ) 3.5 , c ) 4 , d ) 4.5 , e ) 5

Ex Output:
d


Ex Input:
Problem: a farmer built a fence around his square plot . he used 27 fence poles on each side of the square . how many poles did he need altogether ? 
Options: ['a ) 100', 'b ) 104', 'c ) 108', 'd ) 112', 'e ) none of these']

Ex Output:

b