[{'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: When you establish an online account or register on our sites or apps, we may collect information about your user identification, password and secret questions and answers. We use this information to authenticate you when you sign in."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Password_1stParty.'}]