Detailed Instructions: In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
Problem:Article: China is starting to blacklist poorly-behaved tourists as it seeks to rescue the image of its citizens as holidaymakers. According to a regulation by the China National Tourism Administration (NTA) that entered effect this week, tourists will be blacklisted for offences including acting antisocially on public transport, damaging private or public property, disrespecting local customs, damaging historical exhibits on purpose or engaging in gambling or pornographic activities. Records will be kept in a two-tired system: provincial-level tourism authorities are responsible for cases under their jurisdiction while the NTA will be in charge of a nationwide register. People will be.blacklisted for two years after they offend, according to the regulation. The NTA said tourism authorities will inform blacklisted tourists and "propose correction measures in order to _ the negative impact". It also said that tourism authorities reserve the right to report such violations to public security, customs and transport authorities as well as the central bank's individual credit department. The regulation comes amid (......) growing concern about the ill manners of Chinese tourists both at home and abroad. In 2013, a Chinese tourist wrote his name on a relief carving in Luxor, Egypt. In December, a Chinese passenger threw a cup of hot instant noodles at a flight attendant on an international flight. Chinese tourists have been fined or put into prison for carrying prohibited items or purchasing wild animal products.
Answer: better the image of Chinese citizens as holidaymakers
Solution:
According to the passage, the main purpose of the regulation is to _ .