You may be better acquainted with these country questions if you live in Great Britain.

If the person has good general knowledge, ask the question first, if they can’t answer, then give them the answer options.

Chat about the countries, and google some interesting facts.

You may be better acquainted with these countries if you live in Great Britain.

You can also just give two of the three options if you want to make it easier. The objective is inclusive, active participation where nobody feels silly for getting it wrong.