Feedback for FLOW010 problem

Problem Link: FLOW010 Problem - CodeChef

Feedback

What’s wrong with this problem.I have tried it in various ways but still the it is displaying as wrong answer.Please solve this issue.

T = int(input())
for i in range(T):
s = input()
if (s == ‘B’ or s == ‘b’):
print(‘BattleShip’)
elif (s == ‘C’ or s == ‘c’):
print(‘Cruiser’)
elif (s == ‘F’ or s == ‘f’):
print(‘Frigate’)
else:
print(‘Destroyer’)

try it in this way