In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

Input: Consider Input: M: Was that the telephone ringing? ,F: I didn't hear anything. ,M: I thought I heard it ring 2 or 3 times. ,F: Sometimes when the windows are open, you can hear the neighbor's phone. ,M: Well, I'm expecting an important phone call and I don't want to miss it.
(A) F: Relax. You're so nervous. You already missed the important phone call. Maybe you should call them back. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: Relax. You're so calm. You should be nervous in case you miss the important phone call. (D) F: Relax. You're so nervous. You should be more calm to wait for the important phone call.

Output: D


Input: Consider Input: F: Did you go to listen to the speeches yesterday? I mean at the conference. ,M: Yeah, I did. I listen to these so-called keynote speech about physical geography by Professor Henry Hadley. Long and boring. I left the lecture hall before he finished.
(A) F: Oh, you saw Mark Lowcock's speech. Why do you like his speech? (B) F: Oh, you saw Heather Nauert's speech. Why do you like it? (C) F: I am really sorry, I did not catch that. Would you slow down, please? (D) F: Oh, you saw Henry Hadley's speech. Why don't you like it?

Output: D


Input: Consider Input: M: Hey, Tina! How's the Spanish course going? ,F: Tough. Our teacher is using a lot of authentic material. You know, stuff off the radio and TV, he even tapes conversations with his friends and uses them in class.
(A) M: To tell the truth, learning a foreign language is always difficult, especially you are learning Chinese, that's really hard to understand. (B) M: Well, learning a foreign language is always difficult, especially the Spanish. (C) M: Well, since you are taking the Chinese course now, could you tell me something about the learning material in the class? (D) M: I didn’t hear you. Please could you tell me again?


Output: B