When two strangers come and greet each other.
John: Hi, I’m John. How do you do?
Pete: Hi, I’m Pete. How do you do?
This awkward moment when you are not raised in this kind of culture, when your question is answered by repeating the same exact question. Even if you know it is meant to be, you are still hoping for the answer you won’t get. The question mark is pretty useless as it seems.