[{'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 do not currently respond to browser do-not-track signals. Instead, we adhere to the standards set out in this privacy policy and offer the opt-out choices described above."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]