The burden of proof and of persuasion is on the agency asserting an exemption claim. American Civil Liberties Union Found. v. Superior Court, 3 Cal. 5th 1032, 1043, 221 Cal. Rptr. 832, 400 P.3d 432 (2017); Los Angeles County Bd. of Supervisors v. Superior Court, 2 Cal. 5th 282, 291, 212 Cal. Rptr. 3d 107, 386 P.3d 773 (2016); Long Beach Police Officers Assn. v. City of Long Beach, 59 Cal. 4th 59, 66, 172 Cal. Rptr. 3d 56, 325 P.3d 460 (2014); BRV, Inc. v. Superior Court, 143 Cal. App. 4th 742, 755, 49 Cal. Rptr. 3d 519 (2006); Bakersfield City Sch. Dist. v. Superior Court, 118 Cal. App. 4th 1041, 1045, 13 Cal. Rptr. 3d 517 (2004); Cal. State Univ. (Fresno) v. Superior Court, 90 Cal. App. 4th 810, 831, 108 Cal. Rptr. 2d 870 (2001).