The conversation between human and AI assistant.
[|Human|] Classify each of the following as a desert or mountain range: Alps, Sahara, Rockies, Appalachian, Arabian, Gobi
[|AI|] Alps: Mountain Range
Sahara: Desert
Rockies: Mountain Range
Appalachian: Mountain Range
Arabian: Desert
Gobi: Desert
[|Human|] 
Classify each of the following as a desert or mountain range: Alps, Sahara, Rockies, Appalachian, Arabian, Gobi