Question: Terlingua Creek is a stream in the U.S. state of Texas, it is a tributary of which one of the principal rivers in the southwest United States and northern Mexico (the other being the Colorado River), and begins in south-central Colorado in the United States and flows to the Gulf of Mexico?
Sentence (from "Rio Grande"): Depending on how it is measured, the Rio Grande is either the fourth- or fifth-longest river system in North America.
Relevant evidence: No