Task: Dialogue Generation
Input (English): M: Hi, Lisa, I haven't seen you for a long time. Where have you been? ,F: I have been in New York for one year and just came back. I'll never forget the experience.
(A) M: What did you during the three years you have spent in China? (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: You mean you have been in Britain for two years? That's cool. (D) M: New York is a city in the USA. So you went to the USA, right?
Output (English): D