Shall an ordinance be adopted to 1) forbid the City from adding fluoride or any fluorine-containing substance to drinking water for the purpose of treating or affecting the physical or mental functions of the body of any person; and, 2) require a total exposure assessment, U.S. FDA approval, and specific restrictions on contaminants before the City can consider adding fluoride to drinking water in the future; and, 3) repeal all contrary laws?