well, thanks for playing, remember to pick up a home-version of our game on the way out....
(if you cant stand behind your argument, I guess you can still feel safe by just saying to the other person, "You are a sinner" and then walk away with that.
But the Bible commands us to be ready always to give to every man an answer, a reason for the hope inside us. So by not being able to give an answer you only show yourself a poor Bible student)