[{'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: Referrals. If you choose to use our referral service to send an article to a friend, we will ask you for your friend's email address. We will automatically send your friend a one-time email inviting him or her to visit the website. Ziff Davis does not store your friend's email address."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]