A recent study suggests that moderate drinking can relax the brain's control instincts, inspiring creativity and inspiration. Researchers selected 70 subjects for a comparative study. The experimental group drank real beer, while the control group drank Alcoholic beer, two drinks cannot be distinguished. In the test, the experimental group scored higher. The research results show that even if the subject drank only a small glass of beer or wine, the blood alcohol concentration reached only 0.03%, and the creativity was also Will greatly improve. Which of the following, if true, would most weaken the conclusion? ["Subject's executive function will be reduced to varying degrees after drinking.", 'No matter how much alcohol you drink, drinking is not good for your brain to learn new knowledge.', 'The vast majority of great works of art are done by the author without dripping.', 'Alcohol keeps people from thinking when they want to solve a problem.']