[{'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: Opting out MileagePlus members can opt out of receiving marketing or promotion-related emails or direct mail from United by accessing their account profile information on the United website and changing their profile to indicate their desire to be excluded. In addition, members can contact the MileagePlus Service Center by phone or in writing and request a profile change. Emails sent to members will contain a message and link on how to opt out of that type of communication in the future. Regardless of your opt-out preferences, we reserve the right to send you emails or other communications for administrative purposes."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]