So actually, they did know the sex disaggregation of cows, but not of people.

所以实际上，他们确实知道奶牛的性别分类，但不知道人的性别分类。

The second step is related to my example with sex disaggregation, you will remember from the beginning.

第二步与我的性别分解示例有关，您会从头开始记住。