With healthy travel becoming more and more popular today, adventure-themed outdoor sports have more and more fans. A recent survey of the causes of outdoor safety accidents in 2011 shows that getting lost is the number one cause of outdoor safety accidents. Among them, 121 were lost directions, 32 were unable to find a way out, and 13 were physically struggling. Therefore, experts recommend that to prevent getting lost, we must first look at the strategy, be familiar with the route, and not blindly pursue the beauty and lose the most basic personal safety. Which of the following is true and the questioning of the above statistical results is the weakest? ? ['70 outdoor safety accidents due to subjective negligence of "tourism" in 2011.', 'Increasing outdoor safety accidents due to lack of professional leaders.', '01 safety accidents occurred in 2011.', 'More than 166 accidents occurred in 2011 due to lack of outdoor equipment.']