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

Ex Input:
Problem: in track last week , the boys ran 27 laps . the girls ran 9 more laps . each lap is a 3 - fourth of a mile . how many miles did the girls run ? 
Options: a ) 24 miles , b ) 25 miles , c ) 26 miles , d ) 27 miles , e ) 28 miles

Ex Output:
d


Ex Input:
Problem: when the price of sugar was increased by 32 % , a family reduced its consumption in such a way that the expenditure on sugar was only 10 % more than before . if 30 kg were consumed per month before , find the new monthly consumption . 
Options: a ) 20 kg , b ) 25 kg , c ) 30 kg , d ) 35 kg , e ) none of these

Ex Output:
b


Ex Input:
Problem: in the formula a = ( 2 r ) ^ 3 , if r is halved , then a is multiplied by ? 
Options: a ) 64 , b ) 1 / 8 , c ) 1 , d ) 8 , e ) 1 / 64

Ex Output:

b