Politician: The level of violence in the United States is higher than that in every other industrialized country. Some people attribute this entirely to a lenient judicial system, but this cannot be right, for the judicial systems in many other industrialized countries are just as lenient. The politician's argument attempts to undermine the explanation by ['showing that the explanation relies on a misguided notion of the purpose of judicial systems', 'presenting evidence that contradicts an assumption that the explanation relies on', 'providing an alternative explanation', 'arguing that the purported fact it is intended to explain is actually untrue']