Task: Dialogue Generation
Input (English): F: Thank you. The tea smells good. What is it called? ,M: It's called Tie Guanyin, and is a kind of Wulong tea. ,F: I've heard this name before, but I could never understand the tea classification. ,M: It's confusing and there is no agreement on it. Generally speaking, there are 4 kinds of tea based on processing methods. They're green tea, black tea, Wulong tea and scented tea.
(A) F: There are three kinds of tea. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: There are in total four kinds of tea. (D) F: There are five kinds of tea.
Output (English): C