The conversation between human and AI assistant.
[|Human|] Identify a feature that can be used to differentiate between a dog and a cat.
[|AI|] One feature that can be used to differentiate between a dog and a cat is the shape of their ears. Generally, a cat's ears are upright and pointed while a dog's ears can be floppy, droopy or erect.
[|Human|] 
Identify a feature that can be used to differentiate between a dog and a cat.