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: after decreasing 40 % in the price of an article costs rs . 1050 . find the actual cost of an article ? 
Options: a ) 1200 , b ) 1750 , c ) 1050 , d ) 1570 , e ) 1005
Example Output: b

Example Input: Problem: in the first 25 overs of a cricket game , the run rate was only 5.4 . what should be the run rate in the remaining 25 overs to reach the target of 400 runs ? 
Options: a ) 16.5 , b ) 13.2 , c ) 10.6 , d ) 11.2 , e ) 7.25
Example Output: c

Example Input: Problem: by selling 11 pencils for a rupee a man loses 30 % . how many for a rupee should he sell in order to gain 30 % ? 
Options: a ) 8 , b ) 7 , c ) 6 , d ) 11 , e ) 9
Example Output:
d