The conversation between human and AI assistant.
[|Human|] Sort these animals into two groups according to their diet.

Cows, Gorillas, Hummingbirds, Fish
[|AI|] Herbivores: Cows, Gorillas

Omnivores: Hummingbirds, Fish (depending on the species)
[|Human|] 
Sort these animals into two groups according to their diet.

Cows, Gorillas, Hummingbirds, Fish