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: Sarah I've heard that you want to move into a home stay family. Is it true? ,F: Yes, I've been staying with my aunt and now my cousin is arriving from Singapore and my aunt needs to serve a room for him.
(A) M: You are so considerate. I hope you enjoy staying in a homestay family. (B) M: You are so kind to serve a room for your aunt. She doesn't need to move into a homestay family. (C) M: I'm so glad that you don't need to move into a homestay family. Hope you enjoy your life with your cousin. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
A


Ex Input:
F: Adam, I heard you want to get in shape. Why not join the club I am in? ,M: Is it far from our neighborhood? ,F: No, it's just 10 minutes away from here by bike. ,M: What do you do there? ,F: Well, I often start out running for about half an hour and then I get in the swimming pool for an hour. ,M: I really like swimming. It's a good way to lose weight, isn't it? ,F: Oh, it certainly is. I was 135 pounds when I joined the club. Now I weigh just 120 pounds, and I'm sure I'll manage to lose another 10 pounds by the end of July. ,M: That's amazing. Perhaps I'll go and have a look at your club tonight.
(A) F: Are you going to lose weight by cycling? The club is only 10 minutes' walk from here. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: Although the club is 30 minutes away from here by bike, why are you going to lose weight by running? (D) F: Great, then you're probably going to lose weight by swimming.

Ex Output:
D


Ex Input:
M: Let's stop here to eat something, the menu on the window looks good to me. ,F: Fine, any place has better food than the dining room in our company?
(A) M: Although we are in the dining room, we won't eat anything. (B) M: We won't eat anything because we are in our company. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: But we are outside a restaurant.

Ex Output:

D