[{'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: In limited cases, we may share your registration information (name, address, etc.) with the manufacturer of a product you purchase from us -- but only when we inform you in advance of your purchase of the particular product."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]