[{'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: You: You may want to share additional information with us. In that case, we may use the information you voluntarily give to us. We will not collect any personal data, except name and email."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]