[{'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 will try to comply with your opt-out request as soon as reasonably practicable. Please note that if you opt out as described above, this will apply to marketing messages from us only. We will not be able to remove your Personal Information from the database of any other Users you have shared such information. Please also note that if you do opt-out of receiving marketing-related messages from us, we may still send you important administrative messages, and you cannot opt-out from receiving administrative messages."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]