Shall the Nevada Revised Statutes be amended to allow a person, 21 years old or older, to purchase, cultivate, possess, or consume a certain amount of marijuana or concentrated marijuana, as well as manufacture, possess, use, transport, purchase, distribute, or sell marijuana paraphernalia; impose a 15 percent excise tax on wholesale sales of marijuana; require the regulation and licensing of marijuana cultivators, testing facilities, distributors, suppliers, and retailers; and provide for certain criminal penalties?