I read a joke a long time ago, what is reasonable and unreasonable, and what is reasonable and unreasonable. I forgot the details. Who knows?

When a student couldn't answer anything in the college law exam, he negotiated with the examiner, that is, the old professor: "I can't answer any of your questions. Now I will give you a question that you can answer satisfactorily. If you can't answer, I'll get 100. " The professor thought about it and agreed.

The student asked, "What is legal but unreasonable? What is reasonable but illegal? What is neither reasonable nor legal? " The professor thought about it, didn't know the answer, and scored 100 on the students' test paper on the spot. And say, now you can tell me the answer.

The student said unhurriedly, "You are over 60 years old this year, but you married a 20-year-old girl. This is legal but unreasonable. " The professor rolled his eyes.

The student continued: "You can't satisfy your young wife, so she will find a young lover, which is reasonable, but illegal." Professor Khan ing

Student: "You just gave your wife's lover a score of 100, which is neither reasonable nor legal ..."