Complex sentence: The Ket language, formerly known as Yenisei Ostyak, a Siberian language long thought to be an isolate, the sole surviving language of a Yeniseian language family, is spoken along the middle Yenisei basin by the Ket people.
Split into simpler sentences: The Ket language, formerly known as Yenisei Ostyak, is a Siberian language long thought to be an isolate, the sole surviving language of a Yeniseian language family. It is spoken along the middle Yenisei basin by the Ket people.