Q: In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.
Article: Most laws in the United States and Canada are similar to laws in other countries. For example, it is against the law everywhere to murder a person, and it is illegal to steal money. Everyone knows these laws, but foreign students or tourists in a new country may not know some of the local laws. For instance, a legal action in Peru may be against the law in Korea, and an illegal activity in an Asian city may be perfectly legal in a European city. On the other hand, laws may be the same in various countries but vary in different cities or states of the same nation. In many cities in the United States, for instance, it is not legal to " _ " This law may seem strange to visitors. Sometimes they cross a street, and a police officer gives them a ticket. Then they need to pay a fine of $10 to $25. They soon learn to cross a street only in a crosswalk or at a corner. It's against the law to cross in the middle of the street. Most people know that states in the United States have different laws about the legal drinking age; this age varies, but in most states no one under twenty-one can buy alcohol, even beer or wine. Also, in most U.S. cities, it is illegal to drink alcohol in public. Of course, liquor is legal in restaurants and bars, but it's against the law to drink a can of beer, for instance, on a public street. Some people put the can in a paper bag and drink; nobody can see the beer, but it still isn't legal. In addition, it is illegal to have an open liquor bottle inside a car.
Answer: Having a bottle of wine in a Chinese restaurant.
A:
Which of the following is legal in the United States?