[{'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: UCWeb uses the information it collects for statistical purposes and for reporting. This allows us for example to monitor performance and detect technical problems. All analysis is done in an anonymous, aggregate manner, such that none of the data can be traced back to individual users."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]