In recent years, in order to avoid traffic accidents, a city ’s transportation authority has strengthened publicity on traffic safety. Statistics show that before 2008, the city ’s traffic killed more than 1,000 people each year, and from 2008, the number of deaths in traffic accidents was controlled at about 1,000 people, the number of accident deaths in 2008 was 921; the deaths in 2009 were 738; the deaths in 2010 were 569. From this we conclude that as long as the publicity of traffic safety is strengthened, traffic accidents can be effectively reduced. Which of the following, if true, would most weaken the conclusion? ['In recent years, transportation authorities have conducted one-week traffic safety education in all primary and secondary schools. They introduced traffic safety knowledge to elementary and middle school students through picture display, distribution of brochures and other methods.', 'In recent years, the existence of hidden dangers in traffic safety has caused the attention of relevant departments. The state has invested a lot of funds to renovate or re-plan road traffic facilities in dangerous locations.', 'In recent years, due to the severe traffic congestion during the rush to work,.', 'Since restaurant driving is the main cause of traffic accidents and deaths, it should be from 2008. The "Drunk Driving Penalty Regulations" were introduced, which increased the punishment for drunk driving.']