Task: Dialogue Generation
Input (English): M: Hi, where will you go? ,F: I will go to the bookstore. ,M: What book actually do you look for? ,F: I look for an English grammar book written by Batties Simon. ,M: Why do you want to buy a grammar book?
(A) F:  I will go to America next year, so I should study English grammar well. (B) F: Because my old dictionary was lost and I want to buy a new one. (C) F: I will have one year exchange in China so I want to buy a Chinese grammar book. (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Output (English): A