The careful reply doesn't escape Harley, but she's frankly used to that kind of voice being used in her vicinity.

"Yeah, hangman. It's a type of game where you pick a word or a phrase or somethin' and then draw a gallows and guess letters and if the letter isn't in the word you draw a part of a dude on the gallows, if it is you write the letter where it belongs. Here, I can show you."

With that, she whips out a piece of paper and a pen that she'd lifted from one of the conference rooms when they'd been briefed, and writes out five little lines where letters can go, and draws a little gallows.