[{'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: 9. LAST REVISION DATE This Policy was last revised on, and effective as of, 12/29/16 About Careers Press Blog FAQ Contact Us Terms & Privacy Copyright Policy"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]