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.

Example Input: M: I'm hungry, do you want to go to the burger shop and get something to eat? ,F: Sure, but I need to stop at the drug store first. I need some vitamins.
(A) M: That's okay. I can wait. Please buy me soft drinks. (B) M: Excuse me, could you repeat the question? (C) M: That's okay. I can wait. Thanks for buying me some breads. I don't eat burgers any more. (D) M: That's okay. I can wait. Thanks for buying me some burgers.
Example Output: D

Example Input: M: I really have to thank Phi for letting me use this office. ,F: Please don't mention Phi. He's off at a Zurich conference and I'm stuck here with a double patient load.
(A) M: I'm sorry, I didn't understand. Could you repeat a little louder, please? (B) M: You have more patients to meet. Hold on for several days and Phi will come back from Paris. (C) M: It seems that there are more patients waiting for you. I'll come later. (D) M: Thank you for sharing your office with me.
Example Output: C

Example Input: F: Oh, Eric. Could you please turn the TV off? I'm trying to study. ,M: Oh, come on. I've just got home from work. I need to relax. ,F: That's not the point. You don't have to relax with the sound so loud.
(A) M: Well, as you are not trying to study, why do you complain that you cannot concentrate? (B) M: Ok, I see. I am so sorry that you cannot concentrate on study. I will turn down the TV. (C) M: I'm sorry, I don't understand. Could you say it again? (D) M: Yeah, that's the point. And you actually complain that you cannot hear the TV clearly, right?
Example Output:
B