[{'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: Please note that adjusting your preferences as described in this section does not mean you will no longer receive adverts, it only means the adverts you do see will be less relevant to your interests."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]