In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: from the beginning to the end of 2007 , the price of a stock rose 20 percent . in 2008 , it dropped 25 percent . in 2009 , it rose 35 percent . what percent of the stock â € ™ s 2007 starting price was the price of the stock at the end of 2009 ? 
Options: a ) 80 , b ) 90 , c ) 95 , d ) 121.5 , e ) 108

Ex Output:
d


Ex Input:
Problem: a candidate got 33 % of the votes polled and he lost to his rival by 833 votes . how many votes were cast ? 
Options: a ) 2250 , b ) 2450 , c ) 2650 , d ) 2850 , e ) 3050

Ex Output:
b


Ex Input:
Problem: p runs 20 % faster than q so p gives q a 50 meter head start . if the race ends in a tie , how far ( in meters ) did p run in the race ? 
Options: a ) 250 , b ) 300 , c ) 350 , d ) 400 , e ) 450

Ex Output:

b