School roll call, there is a teacher in charge of a unique, said to the students: "I read the number, you report the name, so that we know each other, OK?"
"001!"
"Report teacher, my surname is Jiao, my name is Jiao Pei." The teacher was a little dizzy and asked, "Who gave this to you?"
"My father." "What does your father do?"
"A pig breeder!"