[{'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: Under no circumstances do we condition a child's participation in an activity-like contests-on the child's disclosure of more personal information than is reasonably necessary to participate in the activity. On certain sites, we may not permit children to participate at all regardless of consent."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]