he assertion must be made on a question-by-question and document-by-document basis. See, e.g., Nguyen I Excel Corp. , 197 F.3d 200 (5th Cir. 1999); Clarke' American Commerce Nat. Bank , 974 F.2d 127 (9th Cir. 1992); United StatesI White , 950 F.2d 426, 430 (7th Cir. 1991). CONCLUSION For the foregoing reasons, the United S