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:
F: Hi, Tim. I was wondering if you'd like to drive me to the station tomorrow morning? ,M: I would be happy to drive you there. When do you need to go? ,F: I should get to the station an hour in advance. So I need to leave my house at 7:30.
(A) M: Alright, I'll drive to your home to pick you up at 7:30, I will come on time. (B) M: I didn’t hear you. Please could you tell me again? (C) M: Okay, 7:30 sounds reasonable, then we can go to the school at 8:00 together. (D) M: Alright, I'll come to your home at 8:30 and drive you to the airport.

Ex Output:
A


Ex Input:
M: I need to take some medicine. I think I got a cold. ,F: Well, you might want to drink some water first. I haven't seen you have anything to drink all day even while we were having lunch.
(A) M: You are right, I  should eat all this food first. (B) M: I only like apple juice, warm water is not suitable for me. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: I won't take any medicine because it dose no good for my cold.

Ex Output:
C


Ex Input:
F: Hello Mr.Johnson, you wanted to talk to me? ,M: Uh, yeah, come on in! I'm glad you were able to make it in such a short time. I was worried I wouldn't get a chance to talk with you before the weekend. ,F: Luckily, I checked my email and got your message before leaving campus for the evening. I thought it would be good to drop by and I'm surprised you're here at such a late hour. ,M: Oh, I usually am on Fridays. I like to review the weekly writings. My students turn in before I leave for the seaside on weekends. ,F: To be frank, I'm a little bit nervous. ,M: Don't be nervous. Actually, it's very good news. ,F: Oh, what is it? ,M: I received a letter from the National Youth Fund. It says you have won a scholarship for your further studies.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: You mean I got some financial aid from National Youth Fund. How lucky I am! (C) F: The UN has sent me some financial aid. Are you serious? I can't believe it. (D) F: I have been offered a job by a National Youth Fund. So as long as I graduate, I can earn money myself.

Ex Output:

B