An American scholar did an experiment in which the children were shown three-spoke pictures: chicken, cow and grass, and then asked to divide them into two categories  As a result, most Chinese children put cattle and grass in one category, chickens in another category, and most American children put cattle and chicken in one category and grass in another category
As a result, American scholars have come to the conclusion that Chinese children are used to classifying things according to the relationship between things, while American children are used to classifying things according to the category of entity to which they belong
As long as American children put cattle and chickens into the same category, they are used to classifying them according to their respective entity categories