[ah, he sees what she's getting at. chances are that one of them needs to do what the sign says. poisoned drinks in this game are a very real possibility, too. or a fate worse than poison.]

I'm afraid that isn't a specialty I possess. [he's great but not THAT great.] However, I do not mind taking a drink of one of these beverages to determine their safety.

[better him than her if one of these needs to be drank in order to leave.]