[{'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: 11. Participating in Blogs, Forums, and Surveys If you post comments to any of the blogs, forums, or other editorial sections of the Comcast Web Services, any information you submit there can be read, collected, or used by other users of the Comcast Web Services and any PII you post could be used to contact you. We are not responsible for PII you choose to submit through these features."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]