[{'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: Teacher consent in lieu of a parent For school-based activities, COPPA allows teachers and school administrators to act in the place of parents to provide consent for the collection of personal information from children. Schools should always notify parents about these activities."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]