[{'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: Most Comcast Sites have their own pages where you can manage certain portions of your Registration Data and Profile Data relevant to that specific Comcast Site. For your reference, those pages can be found here: http://tvgo.xfinity.com/mytv/settings http://www.plaxo.com/settings/account Referral Service If you choose to use our referral service to tell a friend about the Comcast Sites, we will ask you for your friend's name and email address. We will automatically send your friend a one-time email inviting him or her to visit the Comcast Site. We do not store this information and use it for the sole purpose of sending this one-time email and tracking the success of our referral program."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]