[{'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: We may ask you to agree to additional terms for certain of our Services in the future, which will govern to the extent there is a conflict between our Terms and such additional terms."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]