[{'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: 20. Contacting Comcast & Customer Support You can direct questions regarding this Privacy Policy to Comcast by emailing us at Comcast_Web_Privacy at Comcast dot com. You can also send a letter by mail to Comcast Cable Communications Management, LLC, Attn: Web Services Privacy Policy Questions, One Comcast Center, Philadelphia, PA 19103 USA."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]