Clasifica los siguientes lugares en función de si son montañas o ríos.
Everest, Niles, Hudson, Nanga Parbat
Everest, Nanga Parbat - Montañas
Niles, Río Hudson
Classify the below places based on whether they are mountains or river.
Everest, Niles, Hudson, Nanga Parbat
Everest, Nanga Parbat - Mountains
Niles, Hudson- River