说明：  采用BP神经网络设计男女生分类器。采用的特征包括身高、体重、是否喜欢数学、是否喜欢文学、是否喜欢运动共五个特征，BP神经网络包含一个隐层，隐层结点数为6。
(BP neural network is used to design the classifier for boys and girls. The features used include height, weight, whether you like mathematics, whether you like literature, whether you like sports. BP neural network contains a hidden layer, and the number of nodes in the hidden layer is 6.)