YOU SAID:

here are two very civil gentlemen trying to make themselves understood, and I don't know which is the interpreter

INTO JAPANESE

ここには2人の非常に市民的な紳士がいて自分自身を理解しようとしていますが、私はどちらが通訳かわかりません

BACK INTO ENGLISH

There are two very civic gentlemen here, trying to understand themselves, but I don't know which one is the interpreter.

INTO JAPANESE

ここには二人のとても市民的な紳士がいて自分自身を理解しようとしていますがどちらが通訳なのか分かりません

BACK INTO ENGLISH

There are two very civic gentlemen here, trying to understand themselves, but I don't know which one is the interpreter.