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

Example Input: Problem: a rectangular room has the rectangular shaped rug shown as above figure such that the rug ’ s area is 220 square feet and its length is 12 feet longer than its width . if the uniform width between the rug and room is 12 feet , what is the area of the region uncovered by the rug ( shaded region ) , in square feet ? 
Options: a ) 32 , b ) 1136 , c ) 40 , d ) 1344 , e ) 104
Example Output: d

Example Input: Problem: while visiting a small town in the united states , i lost my overcoat in a bus . when i reported the matter to the bus company i was asked the number of the bus . though i did not remember the exact number i did remember that the bus number bad a certain peculiarity about it . the number plate showed the bus number as a perfect square and also if the plate was turned upside down . ? the number would still be a perfect square — of course it was not ? i came to know from the bus company they had only 5 100 buses numbered from 1 to 500 . from this i was able to deduce the bus number . can you tell what was the other number . 
Options: a ) 127 , b ) 196 , c ) 116 , d ) 140 , e ) 234
Example Output: b

Example Input: Problem: the ratio of the volumes of two cubes is 27 : 64 . what is the ratio of their total surface areas ? 
Options: ['a ) 18 : 21', 'b ) 81 : 13', 'c ) 8 : 15', 'd ) 16 : 21', 'e ) 1 : 13']
Example Output:
d