Question: Ooster-Eems means Ems-oriental in what language spoken by around 24 million people as a first language?
Sentence (from "Filipino language"): Officially, Filipino is defined by the Commission on the Filipino Language ("Komisyon sa Wikang Filipino" in Filipino or simply KWF) as "the native language, spoken and written, in Metro Manila, the National Capital Region, and in other urban centers of the archipelago."
Relevant evidence: No