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.

Ex Input:
M: Hi, there. I think I'm coming down with something. I need some medicine to get me through the next few days. ,F: Wow, you look terrible. What's going on? ,M: Well, my throat hurts. My nose has been running and I have a bad cough. It could just be cold, but I don't know for sure. ,F: You should take some cold medicine and get some rest. You don't look well. ,M: I have a very important job and I can't miss any work. So, give me something strong.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Good to know that you'll take a sick leave as you look ill. (C) F: Are you sure you won't rest at home? You really look sick. (D) F: Your throat is perfectly fine? But you sounds unhealthy.

Ex Output:
C


Ex Input:
F: Excuse me, Mr. Smith. I was wondering if you could do something about my neighbor's dog. It's been barking and keeping me up all night. ,M: OK. I'll call your neighbor on the phone.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Thank you! I hope I can sleep well tonight. (C) F: Thank you! My dog didn't feel well and barked all night! (D) F: Thank you for calling him. I guess I should make a apologize to my neighbor.

Ex Output:
B


Ex Input:
M: How long before we land, do you know? ,F: It's 3:00 o'clock now, so there is still an hour left. Why don't you get some sleep in the mean time? I'll wake you up when we reach Kennedy airport. ,M: OK. I stayed up past midnight writing the report. I'm a bit worn out. ,F: Why don't you put the seat back? You will feel more relaxed.
(A) M: Thanks for you advice. I have been traveling a lot lately. Though I slept early last night, I still very tired now. (B) M: I didn’t hear you. Please could you tell me again? (C) M: Thanks for you advice. I worked late last night, but now I'm not tired at all. I need talk to someone. (D) M: You are right. I worked late last night, so I'm very tired now. I need to take a rest in a more comfortable position.

Ex Output:

D