[{'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: Seller expressly agrees that issuing the correct and complete invoice is the sole and primary responsibility of the Seller. Furthermore, Seller shall ensure that invoices state 'Powered by Flipkart' and failing to do so Seller will be liable for chargebacks (as applicable)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]