[{'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: For safety and security and to ensure you have the best possible user experience, we require users to verify their accounts (because we want to make sure you are not a robot!) and might ask for your phone number or Facebook Account. Don't worry! This is only to make sure you are real and breathing! We won't use your phone number for marketing purposes."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Phone_Number_1stParty.'}]