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, 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:
F: Where are you going to plant the tree, by the front door? ,M: No, that would be silly. I'll put it next to the garage. ,F: Wouldn't it be better in the backyard? ,M: Well, you're quite right. Let's go now.
(A) F: Are you going to plant the flower by the front door? (B) F: Cool. Let's plant the tree in the back yard. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Do you still want to plant it next to the garage? It wouldn't be better in the backyard.

Ex Output:
B


Ex Input:
M: Hello, Catherine. What about your test? ,F: Not too bad. But the travel was that I kept thinking of so many things at once, so I didn't have time to finish the test. ,M: How many questions did you answer? ,F: Oh, I did all nine of them. But I didn't really have time to finish the last one properly.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Take it easy, you completed nine of the ten questions in the test. (C) M: Oh, you're great,you had done all nine questions in the test. (D) M: Don't worry, though the test had ten questions, you finished eight of them.

Ex Output:

B