Hello. You did not add the graphics to which this question refers, which makes it impossible for your question to be answered. However, I created a model chart that represents the situation shown in the question and that can help you. This chart is attached in the figure below.
Notice, in the graph that the more students attended more character education classes, the greater their acts of foolishness. On the other hand, these acts tend to decrease as students have attended less classes, reaching a very low result for students who have not attended any class of this type of education.
The answer is the DEA, or Drug Enforcement Administration. This department deals with drug-related illegal activity.
In 1989, Japan's Hideaki Tomoyori recited 40,000 digits. The current Guinness World Record is held by Lu Chao of China, who, in 2005, recited 67,890 digits of pi.