[{'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. 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.'}]