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: M: Hello, could I speak to Selina, please? ,F: Speaking. Is that you, Tom? What's wrong with your voice? I hardly recognize your voice. ,M: I practice singing last night. I guess I practiced too hard. You know, it lasted from 7:00 to 9:00 last night. ,F: You must have hurt your voice. So what can I do for you? ,M: Well, Bob and his girlfriend have returned from China. Jenny and I invited them to come over and have dinner with us tonight. I've just opened the box of glasses and there is one missing. Then I remembered my son broke one about 2 months ago. I remember we bought the glasses together and you bought the same set of glasses. So can I borrow a glass from you?
(A) F: Although Jenny is your neighbor, we didn't go to buy glasses together, did you? (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Although Jenny is your friend, why did you buy the glasses together? (D) F: I didn't even know Jenny was your wife.
Example Output: D

Example Input: F: I'm so sorry I'm late, Mister Stone. ,M: I think I did ask Miss Jones to inform everyone that the meeting started at 11:00 sharp, now 10 minutes have passed already. ,F: I'm really sorry, Mister Stone. It's raining cats and dogs, and I had to wait ages for a taxi.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: I know it's raining today, but the others are not late. That's no excuse. (C) M: It's windy today. Waiting for the bus to go to work is not a good choice. (D) M: It's hot today, so I asked Amy to inform everyone of the 12 o 'clock meeting.
Example Output: B

Example Input: F: Mike was injured this morning, did he have a car accident? ,M: No, what made you think so? ,F: He started driving only a week ago, so I thought he might have had a car accident. ,M: He got his driver's license 3 years ago, he is actually a skilled driver. ,F: Then what happened to him? ,M: He went to play basketball this morning, he ran too fast and he was knocked over. ,F: Is that how he got injured? ,M: Yes, I was playing tennis nearby, I took him to the hospital
(A) F: It's lucky that you played tennis around here in the morning. (B) F: I didn’t hear you. Please could you tell me again? (C) F: So Mike hurt himself while playing tennis with you this morning, didn't he? (D) F: So it was while you were visiting the doctor that you met Mike who had a car accident?
Example Output:
A