Task: Dialogue Generation
Input (English): M: You asked Beth to be here around 7:00, didn't you? ,F: Yes, what time is it now? ,M: It's almost 8.I wonder what happened? ,F: Um, she might have forgotten the time. Why don't I call and see if she's on her way. "A few minutes later.", I got her voicemail so she must not have turned on her cellphone. ,M: I hope she didn't have a problem on the road. Her car could have broken down or something. ,F: Of course she may have simply forgotten and done something else today. ,M: No, she couldn't have forgotten. I just talked to her about it yesterday. I guess we should start to order without her.
(A) F: I don't understand why Beth's cell phone is powered off. (B) F: I didn’t hear you. Please could you tell me again? (C) F: Why did Beth be involved in a car accident? She didn't turn off her cell phone. (D) F: Beth completely forgot the time. It's your fault that you didn't talk to her about it yesterday.
Output (English): A