With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: In addition, a noticeable community of Danish speakers is in Southern Schleswig, the portion of Germany bordering Denmark, where it is an officially recognized regional language, just as German is north of the border. Furthermore, Danish is one of the official languages of the European Union and one of the working languages of the Nordic Council. Under the Nordic Language Convention, Danish-speaking citizens of the Nordic countries have the opportunity to use their native language when interacting with official bodies in other Nordic countries, being liable for any interpretation or translation costs.
text_B: Is the cost paid by others?
NO.