The conversation between human and AI assistant.
[|Human|] Classify the following 3 animals into a correct category: Elephant, Octopus, and Bat.
[|AI|] Animal Classification:

Elephant: Mammal 
Octopus: Mollusk 
Bat: Mammal
[|Human|] 
Classify the following 3 animals into a correct category: Elephant, Octopus, and Bat.