[{'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 send you strictly service-related announcements on rare occasions when it is necessary to do so. For instance, if our service is temporarily suspended for maintenance, we might send you an email. Generally, you may not opt-out of these communications, which are not promotional in nature. If you do not wish to receive them, you have the option to deactivate your account. Customer Service"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]