[{'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: No Refunds. You may cancel your Dropbox Paid Account at any time. Refunds are only issued if required by law. For example, users living in the European Union have the right to cancel their Paid Account subscriptions within 14 days of signing up for, upgrading to or renewing a Paid Account."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]