The teacher asks the students to turn the textbook over to 25 pages. He asks them to listen carefully to the teacher's instructions. He then asks them if they are doing well. They answer that they are. The teacher tells them that they should pay attention to the class and not get distracted. He also tells them to take notes from the teacher and not to pass them on to anyone else. He tells them not to get distracted and to listen to the lesson. He gives them a piece of paper that he wants them to pass on to his friend, and he asks if they want to pass it on to him. They both want to do so, but they don't know what to do with it. They pass the paper to each other, and the teacher tells the students that they must listen carefully. They also tell him to ignore serious mode and to put down early 1.07. The teacher then tells them they should give the paper back to their friend. He says that he can't open it, but that he will give it to him again. They then tell each other that they can open the paper again if they wish. They say that it is theirs again, and that they will not pass it to any other person. They tell the students not to worry about the paper, and they tell them to give it back to them. Then the teacher gives the students a note that he has written for them. The note says something like, "my experience on transforming diseases". The teacher says that the topic is too important for him to write on the outside, and so he forgot to write something