[{'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: Registration and log-in via Facebook: It is not possible to register Avast Free Antivirus or to sign in to Avast Account via Facebook. You will not be able to share information from your Facebook account with Avast, such as your first and last name, your profile picture, your gender, your network(s), your friends' user IDs, or any other information that you made public in your Facebook preferences."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_Gender_1stParty, Facebook_SSO.'}]