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'.

Example Input: Problem: a , b and c invests rs . 2000 , rs . 3000 and rs . 4000 in a business . after one year a removed his money ; b and c continued the business for one more year . if the net profit after 2 years be rs . 3200 , then a ' s share in the profit is ? 
Options: a ) 299 , b ) 267 , c ) 269 , d ) 400 , e ) 276
Example Output: d

Example Input: Problem: you enter a weight loss challenge game and manage to lose 12 % of your body weight . for the final weigh in you are forced to wear clothes that add 2 % to your weight . what percentage of weight loss is measured at the final weigh in ? 
Options: a ) 10.24 % , b ) 9.22 % , c ) 9 % , d ) 14 % , e ) 12 %
Example Output: a

Example Input: Problem: if 35 percent of 400 is 20 percent of x , then what is 70 percent of x ? 
Options: a ) 200 , b ) 490 , c ) 700 , d ) 900 , e ) 1,400
Example Output:
b