The conversation between human and AI assistant.
[|Human|] Classify the below places based on whether they are mountains or river.
Everest, Niles, Hudson, Nanga Parbat
[|AI|] Everest, Nanga Parbat - Mountains
Niles, Hudson- River
[|Human|] 
Classify the below places based on whether they are mountains or river.
Everest, Niles, Hudson, Nanga Parbat