Vodka, at least, she knows. It doesn't have a distinct scent besides alcoholic, and she's not had it often, but it could have been something entirely unfamiliar. Not that it probably matters too much, in the Horizon. She could probably even change it if she wanted to -- but that'd be cheating, and this is a fair drinking contest.

Mostly.

"Hey! If you do that, I'm already behind." She pouts, and reaches out to grab the bottle from his hands to do the same. "We must start on even footing. Ready when you are."