Input (grade 10): The first 1 m stretch of the Klamath River is known as the Link River. Not long after, however, the river is impounded in a 18 m-long reservoir near Klamath Falls, Lake Ewauna, where it receives the Lost River and passes the nearly-dry bed of Lower Klamath Lake.
Output (grade 8): The Klamath River is a long river in California.