[{'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: A. Opting out. At times, you may be presented with the option of whether to receive certain marketing and promotional communications from Us and others that we think will be of interest to you. Recipients of such communications can unsubscribe by either following the specific instructions included in such communications or you may 'opt-out' of receiving marketing and promotional emails from us at any time by sending an email to us at privacy@Creative-mobile.com detailing your privacy request. Please note, however, that in order to keep you informed about the operation of our Products and Services, we may always send you emails and announcements that are needed for the proper functioning and administration of our Products and Services. We may also have features that allow you to submit information, questions or feedback to us. In those instances, we may retain your emails and other information you submit to us for our internal purposes, and to help us to serve you better."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]