The conversation between human and AI assistant.
[|Human|] Calculate the cost of purchasing 5 apples with a discount of 10%.
[|AI|] To calculate the cost of purchasing 5 apples with a 10% discount, I would need to know the initial price of one apple. Can you please provide me with that information?
[|Human|] 
Calculate the cost of purchasing 5 apples with a discount of 10%.