[{'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: 13. Contact Us; California Privacy Rights and Other Countries Please contact us if you have any questions or comments about our privacy practices or this Privacy Statement. You can reach us online at privacy@groupon.com. You can reach us via postal mail at the following address: Groupon Inc."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]