text: Police verified that on the morning of May 13, the boys and girls of 3B class played and bit each other's hands?
classes:  No, in the words of the classmates, the male was the one who bit the female first.  Also, in the words of the classmates, the male was the one who bit the female first.  Yes, in the words of the classmates, the male was the one who bit the female first.