[{'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: 8. Fees and Purchase Terms Some DIVMOB Games may be described as a "free game", you may download and play such games free of charge, but they may have in-app purchase and charge real money for additional game content. You agree and acknowledge that DIVMOB is not required to provide a refund for any reason. Your purchase is final and is not refundable, exchangeable, and transferable. You agree to pay all fees and applicable taxes incurred by you. DIVMOB may revise the pricing for the goods and services it provides to you at any time.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]