Joe: Greetings.

Jane: Salutations.

Joe: I extended a greeting.

Jane: I know. I just acknowledged it.

Joe: I’m aware you took note of it.

Jane: Can you be certain though?

Joe: I’m certain that I’m not certain.

Jane: Your confidence in your lack of confidence doesn’t persuade me.

Joe: Understood. Goodbye forever then.

Jane: Goodbye forever.