[{'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 acquire information from other trusted sources to update or supplement the information you provided or we collected automatically. Local law may require that you authorize the third party to share your information with us before we can acquire it."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]