[{'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: We receive information about you from companies that are owned or operated by Facebook, in accordance with their terms and policies. Learn more about these companies and their privacy policies."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]