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: find the compound interest on $ 800 for 1 year at 10 % p . a . if ci is component yearly ? 
Options: a ) $ 40 , b ) $ 400 , c ) $ 840 , d ) $ 800 , e ) $ 80

Ex Output:
a


Ex Input:
Problem: a cycle is bought for rs . 1120 and sold for rs . 1200 , find the gain percent ? 
Options: a ) 7 % , b ) 2 % , c ) 6 % , d ) 1 % , e ) 8 %

Ex Output:
a


Ex Input:
Problem: what will be the fraction of 25 % 
Options: a ) 1 / 4 , b ) 1 / 5 , c ) 1 / 10 , d ) 1 / 11 , e ) none of above

Ex Output:

a