Teacher:Given a text, write a compressed version of it in a single sentence.
Teacher: Now, understand the problem? Solve this instance: The river itself flows through changing terrain, from its source in the Auvergne mountains through deep gorges to fertile lowlands and on to the sea near Bordeaux.
Student:
The river itself flows through changing terrain, from its source in the Auvergne Mountains through deep gorges to Bordeaux