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: in a recent election , geoff received 0.5 percent of the 6,000 votes cast . to win the election , a candidate needed to receive more than x % of the vote . if geoff needed exactly 3,000 more votes to win the election , what is the value of x ? 
Options: a ) 50 , b ) 50.5 , c ) 56 , d ) 60 , e ) 63

Ex Output:
b


Ex Input:
Problem: if the cost price of 50 articles is equal to the selling price of 15 articles , then the gain or loss percent is ? 
Options: a ) 16 , b ) 127 , c ) 12 , d ) 18 , e ) 233

Ex Output:
e


Ex Input:
Problem: harkamal purchased 9 kg of grapes at the rate of 70 per kg and 9 kg of mangoes at the rate of 55 per kg . how much amount did he pay to the shopkeeper ? 
Options: a ) a ) 1120 , b ) b ) 1065 , c ) c ) 1070 , d ) d ) 1075 , e ) e ) 1080

Ex Output:

a