If I see anyone talking, I am telling you, I will talk to Doc. Doc, Doc, Doc, these concepts are not important yet. You didn't want to eat it. You talk. Your talk is very important. Okay? Doc. Everybody stand up. Everybody stand up. Till you tell me who was talking, nobody is going to sit down. Okay? Everybody stand up. Why do people do like this? I feel bad for your parents. They invest so much of money and time on you. And this is what you are doing in the class. Either you leave the class or I will go out. Now the choice is yours. You just wait and watch. Today I will call your both parents. You just wait and watch. Okay?