Task: Dialogue Generation
Input (English): M: Is the bag yours, Jenny? ,F: No, Tom. Alice's, her niece came here just now. Shall I call her up? ,M: OK, and tell her to bring my umbrella. ,F: Oh, she brought it here just now. I've put it beside your desk.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Oh, Alice's niece just came here, right? But this bag is yours, isn't it? (C) M: Oh, Alice's niece just came here, right? (D) M: Oh, my niece just came here. This bag is yours, isn't it?
Output (English): C