He brought French cheese, Belgian chocolate, Andean snow, and a Japanese pearl.
Actually, according to the script he brought Swiss chocolate. I know it's Swiss chocolate in the german translation of the show. That would prove his knowledge of either German, Italian, French or Rhaeto-Romanic, which is only spoken by a minority. If he was in the German speaking part, he might have needed to understand the local dialect, which is barely understandable to someone speaking standard German.
