And go to the pearly gates. There are two angels in front of you, each standing in front of an identical door. One door leads to heaven, one to hell. You have one question to ask. One angel always tells the truth, one always lies. What question do you ask? You can direct it to one of the angels.
ask either:- if i asked the other angel which door leads to hell, what would they say? go through the opposite door to what they say. truth angel knows liar will lie, and liar will lie about the truth angels response (if that makes sense!)