[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: Payment: The Price List for each downloadable ebook displayed on the App represents the full retail price (inclusive of all taxes unless specified otherwise) for said downloadable ebook. You shall pay for such downloadable ebook using one of the payment options available on the App. The Price List mentions the prices of each downloadable ebook and the User shall pay in Indian Currency (i.e. Indian Rupee). We reserve our right to change the prices of the ebook and services and the availability of the same at our sole discretion."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]