听力原文：M: Hello, Mrs. Kelly. I'd like to pick up ray test, please. W. Sure. Whose class are you in? M: Dr. Purcell’s math class. W: And your name? M: My last name is Raleigh. R - A - L - E - I - G - H. W: That's right. Jim Raleigh. Here it is. M: Thank you. And Terry Young's test too, please. W: Oh, I’m sorry. I can’t let you take someone else’s test. M: He's sick, and he can't come in to get it. He's my roommate. W: I understand. But the privacy act won’t permit it. M: Really? Maybe you could tell him. W. Not even then. I can only give a test to the student whose name appears on it. I can’t even give it to a family member. M: That’s weird. W. I think so, too, frankly, but that's the law. M: Okay. I'll tell Terry, thanks anyway. W: You’re welcome. Tell him I’ll Just keep his test here until he feels better and can come in for it himself. M: Okay. I’ll do that. W: Have a nice day, Jim. M: You too, Mrs. Kelly. What do the speakers mainly discuss?