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: Excuse me, how can I find the European paintings? ,F: Take the lift to the third floor and turn right. There just next to the black and white photography show. ,M: Got it. Thank you.
(A) F: Well, we are on the ground floor, so you could take the lift straight to where you want to go. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F:  The Asian paintings you are looking for is just next to where we are now,which means it is next to the European paintings. (D) F: You know we are at the black and white photo show now, so you just take the lift to the forth floor and turn left you will find what you are looking for.

Ex Output:
A


Ex Input:
F: I must leave early tomorrow, so it will be difficult to take you to school in the car. ,M: Oh, my bike is in the repair shop, so I guess I'll have to take a bus.
(A) F: So, you mean your bike is not in the repair shop and you will go to school tomorrow by car? (B) F: Really?  Your car is in the repair shop and you will go to school tomorrow by bus? (C) F: Oh, you mean your bike is in the repair shop and you will go to school tomorrow by bus? (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:
C


Ex Input:
M: I was thinking we should go to the local animal shelter, so I can pick out the perfect dog. ,F: Yeah, some dog really needs a good home. ,M: OK. So we will just have the dog that you also want and no more unwanted animals. ,F: Sure. What kind of dog are you going to get? ,M: I don't know. I will know when I see the dog if that's the dog for me. ,F: Alright. Take me to the shelter. Can't wait.
(A) M: Ok, let's go right now. I'm curious, too. (B) M: I didn’t hear you. Please could you tell me again? (C) M: Yeah, I'm as excited as you are. (D) M: Now that we are all excited and have decided which kind of dog to choose, let's go.

Ex Output:

C