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.

Example Input: F: Did the children enjoy the holiday camp or were they all homesick? ,M: Well, I must admit some of the younger kids were a little bit unhappy, because they've never been away on their own before and didn't know some of the other kids. But soon they recovered. By the last day, they didn't want to go home because they were having such a great time.
(A) F: It is too bad that kids didn't get used to the new environment and didn't have a good time in the end. (B) F: Well, it is common that children felt unfamiliar with the new environment at first. (C) F: It is a pity that they are unhappy to attend the trip the whole time. (D) F: I’m sorry, I don’t understand. Could you say it again?
Example Output: B

Example Input: F: Jerry, were you late yesterday? ,M: Yes. As I was leaving for work, my wife told me she had a fever. So I took her to the hospital. ,F: I'm sorry to hear that. Is she better now? ,M: Yes, a little. Thank you.
(A) F: So you had a fever yesterday. Your wife sent you to the hospital, right? (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Since you were ill in hospital yesterday, you shouldn't come to work today. (D) F: Although you were late for work yesterday, it doesn't matter because you had a fever yesterday.
Example Output: B

Example Input: M: Concorde college, how can I help you? ,F: Hello, would you put me through to Miss O'Shea? It's Allison Clark calling. ,M: I'm afraid she doesn't seem to be available at the moment, would you like to leave a message? ,F: Yes, please, my name is Allison Clark. I've got an appointment with her at 1:00 tomorrow afternoon. But I'm wondering whether I can change it to 3:00 o'clock. I very much appreciated if she could let me know by noon tomorrow. My mobile number is 07720882704. ,M: Ok, I'll pass your message on to her.
(A) F: Thank you. I'm calling to make an appointment because I haven't made an appointment with Miss O'Shea yet. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Thank you. I'm calling just to change the appointment. (D) F: Since Miss O'Shea is free now, why not take my call? I'm calling to change my appointment.
Example Output:
C