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: You know, my car hasn't been the same since I bumped into that telephone box. ,F: You'd better have that looked into before you drive to Florida.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You are right, I should probably buy a new car. (C) M: I agree with you. I really need to make some time to get my car checked. (D) M: I agree. You really should get your car checked.

Ex Output:
C

Ex Input:
F: Hi, Charles. Did you see the football game on TV last night? ,M: Hi, Laura. I wanted to watch it, but I couldn't. ,F: Oh, that's a pity. It was really exciting. Why couldn't you watch it? ,M: Oh, my wife wanted to see a new play.
(A) F: Yeah, the book we read yesterday night was very interesting. (B) F: What's the fun of seeing a new play alone? You should have watched the sports game with me last night. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Oh, I understand. How's the social event you attended last night?

Ex Output:
C

Ex Input:
M: Linda, I can't find my cellphone anywhere in this hotel room! Could you call it? ,F: OK, I'm calling it. ,M: I don't hear anything. I think the batteries dead. ,F: Oh, no? How are you going to find it? We have to leave for the wedding in 15 minutes. ,M: Well, maybe I won't take my cellphone to the wedding. Do I need it? ,F: Yes, you need it. My sister might call you to tell us how the kids are doing. Maybe it's in the car. ,M: I remember where it is. I left it in the bakery where we ate breakfast. ,F: OK, well, I need to call my sister to tell her you lost your phone. Then I'll call the bakery. If the bakery is still open, maybe we can pick it up before we go to the wedding. Please keep your phone in your pocket next time.
(A) M: OK, sister, I see. Don't forget we have to go to the wedding in 20 minutes. (B) M: Excuse me, could you repeat the question? (C) M: OK, dear wife, I will never leave my mobile phone at home next time. (D) M: OK, teacher, I won't leave my mobile phone at home next time.

Ex Output:
B