[{'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: 2.4.2 In-app Purchase Some of our games offer in-app purchases. Examples of in-app purchases are items you can purchase (for real or in-game currency) or other additional features. If you don't want to make in-app purchases, don't use these paid-for options and consider disabling in-app purchases on your device."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]