You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Let me give you an example: Category: EVERYBODY TALKS ABOUT IT... 
Clue: In the winter of 1971-72, a record 1,122 inches of snow fell at Rainier Paradise Ranger Station in this state
The answer to this example can be: washington
Here is why: Rainier Paradise Ranger Station is located in the Mount Rainier National Park, which is located south of Seattle in the state of Washington.

OK. solve this:
Category: MOUNTAINS 
Clue: Cotopaxi, the world's highest active volcano, rises just south of Quito, Ecuador in these mountains
Answer:
andes