[{'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: D. Opting out of Receiving Communications You can opt out of receiving communications from us by clicking the "unsubscribe" link (or similarly labeled link) at the bottom of a particular communication. Note that you won\'t be able to opt out of service-related communications like service announcements, administrative notices, and the like.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]