Does 'From 1998 through 2000, the federal government achieved surpluses, shifting from being a drain on net national saving to become a contributor to it.' neither support nor refute 'Government surplus contributed to net national saving.', instead existing independently?
From 1998 through 2000, the federal government achieved surpluses, shifting from being a drain on net national saving to become a contributor to it.###Government surplus contributed to net national saving.