Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: Mr. Thompson's class was discussing the topic of convergent boundaries. He asked four students to identify a landform that was formed through the collision of two tectonic plates. Which landform should the students identify as being formed by convergent boundaries?
Andes Mountains or Himalayas. (These are two common examples of landforms formed by convergent boundaries.)