[{'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: The opt-outs described above are device- or browser-specific and may not work on all devices. If you choose to opt-out through any of our Ad Partners' sites, you still may see advertisements but the advertisements will not be based on your interests."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]