[{'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: The Comcast Web Services comply with the applicable rules of the Digital Advertising Alliance\'s (DAA) "Ad Choices" program. The Ad Choices program permits you to opt out of receiving online behavioral advertising by making choices at'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]