[{'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: If we change this privacy statement in a way that expands the collection, use or disclosure of children's personal information to which a parent has previously consented, the parent will be notified and we will be required to obtain the parent's additional consent."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]