Because juveniles should not smoke, the proposal to ban the sale of cigarettes to juveniles is very reasonable. However, the ban on the use of automatic vending machines is like setting up roadblocks on traffic lanes to block 100 drivers, just to arrest one Undocumented drivers, roadblocks are not just for those who violate the law, but for everyone. Which of the following answers can help us correctly evaluate the ban proposed above, that is, the objection to the prohibition on the use of self-propelled cigarette machines? ['Are vending machines more error-prone than other vending machines?', 'Is there currently a law prohibiting the sale of adult-only items to young people.', 'Can raising cigarette sales taxes prevent teens from buying cigarettes.', 'Does the ban on the installation of automatic vending machines cause inconvenience to many adult smokers.']