[{'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: Contact you to notify you regarding your account, to troubleshoot problems with your account, to resolve a dispute, to collect fees or monies owed, to poll your opinions through surveysor questionnaires, or as otherwise necessary to provide you customer service"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]