With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: The production, distribution, and sale of cocaine products is restricted (and illegal in most contexts) in most countries as regulated by the Single Convention on Narcotic Drugs, and the United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances. In the United States the manufacture, importation, possession, and distribution of cocaine are additionally regulated by the 1970 Controlled Substances Act.
text_B: Would someone likely be able to walk into a store and find cocaine for sale?
NO.