Among the 40 countries participating in the "third international mathematics and science", the United States ranked 28th in mathematics, England ranked 25th, Scotland ranked 29th, and the 4 richest countries and regions in East Asia ( (Singapore, South Korea, Japan, Hong Kong) ranks in the top 4 in mathematics, but U. S. children's education funding is 3 times that of South Korea. The Czech Republic, Slovakia, and Slovenia are significantly better than their economically developed western neighbors, despite their Of education funding is far lower than in Western countries. What is the correct understanding of the main points expressed in the above text? ["Generally speaking, the level of children's education in a country depends on the amount of education funding.", "Generally speaking, the level of children's education in a country does not depend on how much the country spends.", "The state's expenditure on education and the relationship with children's education level are not as large as people think.", "The relationship between state spending on education and children's education level cannot be said to be small."]