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: Can we go somewhere and talk about your experience abroad? It's noisy in the cafe. ,F: Shall we go to the tea house upstairs? ,M: But I need to get some fresh air. ,F: Well, there's a park nearby. It's usually not crowded at this time of day.
(A) M: I'm sorry, I don't understand. Could you say it again? (B) M: Great, the air in the park is comfortable (C) M: Ok, then go to the tea house downstairs you have mentioned. (D) M: Ok, I'd like to share with you my experience abroad in the cafe.

Ex Output:
B

Ex Input:
F: Oh, there is nothing better than an ice cold glass of ice water on a hot day. ,M: You know, cold water always gives me stomachaches. ,F: Really? I've never had that problem. I've been drinking ice water since I was little. ,M: When I was a small boy, my grandmother never let my mom give me anything other than warm water. ,F: Even in the summer? ,M: Yes, every once in a while my dad would take me to get some ice cream, but my grandmother was never happy about that. I think it was the sugar that she didn't like.
(A) F: Your grandmother tell you to drink only cold water on hot days? (B) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (C) F: Drinking warm water in summer sounds healthy, but I can't do it. (D) F: You only have something other than water in summer, like ice cream.

Ex Output:
C

Ex Input:
M: Good morning, Miss Gray, could I talk with you for a moment? ,F: Yes, Tom, come in. What's the matter? ,M: I want to change my deskmate. ,F: Why? Don't you get on quite well with Lisa these days? ,M: Yes, but actually it is she who wanted to change the deskmate. She said she didn't want to be my friend anymore. ,F: Oh, why? Can you tell me the reason? ,M: Yesterday, she wanted to borrow a pen from me, but accidentally I didn't have an extra 1 to lend her, so she got angry with me and didn't want to be my deskmate anymore. ,F: OK, Tom, it is not so serious actually. Later I will talk with Lisa. I'm sure she will understand you. Now it is time for the math class. Let's go. Oh, by the way, can you help Miss Cook hand out the grated English homework?
(A) M: Your spoken English is so good that all of our classmates like you very much. (B) M: Can I ask you some questions?I just didn't understand some questions in your Chinese class. (C) M: Miss Cook is our math teacher, I like to hand out the math homework for her. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:
D