In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: ashok secured average of 77 marks in 6 subjects . if the average of marks in 5 subjects is 74 , how many marks did he secure in the 6 th subject ? 
Options: a ) 38 , b ) 27 , c ) 92 , d ) 17 , e ) 80

Ex Output:
c


Ex Input:
Problem: when toys are grouped into 12 and 18 , always 3 toys remain ungrouped . what is the minimum number of toys to be added so that when they are grouped into 7 , no toys will remain ungrouped ? 
Options: a ) 0 , b ) 1 , c ) 2 , d ) 3 , e ) 4

Ex Output:
d


Ex Input:
Problem: there are 17 teams in the hockey league , and each team faces all the other teams 10 times each . how many games are played in the season ? 
Options: a ) 980 , b ) 1150 , c ) 1360 , d ) 1540 , e ) 1720

Ex Output:

c