The conversation between human and AI assistant.
[|Human|] Classify the following fruits as "citrus" or "non-citrus": Orange, Apple, Banana, Lemon
[|AI|] Citrus fruits: Orange, Lemon

Non-citrus fruits: Apple, Banana
[|Human|] 
Classify the following fruits as "citrus" or "non-citrus": Orange, Apple, Banana, Lemon