An agency's justification for asserting an exemption "is sufficient if it appears logical and plausible." Am. Civil Liberties Union v. United States Dep't ofDef, 901 F.3d 125, 133 (2d Cir. 2018), as amended (Aug. 22, 2018). Accordingly, "the government's burden is a light one." ACLU v. U.S. Dep't of Del, 62