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:
F: Hey, Paul, you're still having Thanksgiving dinner at my house on Thursday, right? ,M: Yeah, thanks again for the invitation. I was worried I'd have to spend it alone after my parents announced they'd be in Finland. ,F: I think it's strange that you're not going with them. Is it because of the cold weather in Northern Europe? ,M: Not exactly. I have a lot of work to do next week. ,F: Well, I'm glad you won't be alone on a holiday. It'll be great to have you celebrate with us. The more the merrier! ,M: Exactly, how many people will be there? ,F: Let's see, my parents, my grandpa, my sister, my brother-in-law, my niece and my two cousins, plus us. So, ten people altogether. ,M: Should I bring anything?
(A) F: Nope. My husband will prepare Thanksgiving dinner to welcome you next Tuesday. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Not really. Just come next Thursday. We'd be happy to have you on Thanksgiving. (D) F: You and your parents' coming is good enough. See you on Saturday's Thanksgiving.

Ex Output:
C


Ex Input:
M: What's the matter, Alice? ,F: Sorry, Mr. Harrison. I missed my train. ,M: Why did you miss the train? ,F: Because I left home a little late. ,M: Did you get up late or something? ,F: No. My aunt called me at the last minute and I had to talk to her.
(A) M: Excuse me, could you repeat the question? (B) M: You mean to tell me that you were late because the train didn't come on time? (C) M: Gosh, this isn't the first time you've been late because you got up late. (D) M: You weren't late today because your aunt called you at the wrong time, right?

Ex Output:

A