[{'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: We reserve the right to use and disclose the collected non-personal data in an anonymized and obfuscated way for purposes of advertisement by us or our partners. We do not pass any personally identifiable information to ad networks or advertisers."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]