Classify the below places based on whether they are mountains or river.
Everest, Niles, Hudson, Nanga Parbat
Everest, Nanga Parbat - Mountains
Niles, Hudson- River
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Classify the below places based on whether they are mountains or river.
Everest, Niles, Hudson, Nanga Parbat
### Input: 
### Response: Everest, Nanga Parbat - Mountains
Niles, Hudson- River