The conversation between human and AI assistant.
[|Human|] Rank the following items according to the cheapest to most expensive. Output a list of item index in the order from cheapest to most expensive.
[|AI|] 1. Fuji Apple
2. Rose
3. Diamond
[|Human|] 
Rank the following items according to the cheapest to most expensive. Output a list of item index in the order from cheapest to most expensive.