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'.

Input: Consider Input: Problem: which number can we add to 897326 to get a number exactly divisible by 456 ? 
Options: a ) 58 , b ) 66 , c ) 74 , d ) 82 , e ) 90

Output: d


Input: Consider Input: Problem: a ’ s speed is 20 / 19 times that of b . if a and b run a race , what part of the length of the race should a give b as a head start , so that the race ends in a dead heat ? 
Options: a ) 1 / 19 , b ) 3 / 19 , c ) 1 / 10 , d ) 1 / 20 , e ) 3 / 10

Output: d


Input: Consider Input: Problem: two digits in brother ' s age are the same as the digit in the sister ' s age , but in reverse order . in 20 9 years brother will be twice as old as sister will be then . what is the difference in their current age ? 
Options: a ) 34 , b ) 50 , c ) 32 , d ) 28 , e ) 45


Output: e