[{'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: How We Respond to Do Not Track Signals We do not currently respond to "do not track" signals or other mechanisms that might enable consumers to opt out of tracking on our website or services.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]