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, Barbara. Welcome back. You look great. ,F: Rod, it's lovely to see you again. ,M: How was your trip? ,F: Fun, but tiring. Milan was interesting. It's bigger than I expected, noisier and dirtier too. ,M: And Florence? What did you think of Florence? ,F: Well, I didn't go there. Have you been there? ,M: No, I've never been to Italy. I'd really like to go to Rome. Well, the cars in the car park. Is this all your luggage? ,F: Yes, but the suitcase is very heavy. ,M: Barbara, what's in it? Books or stones? ,F: Just 20 pairs of shoes.
(A) M: So you are taking 20 shoes to Milan now? (B) M: Why do you take so many shoes? (C) M: Why do you take stones to travel? (D) M: I'm sorry, I don't understand. Could you say it again?
Example Output: B

Example Input: M: What's wrong with you, Lucy? ,F: Our dog Rusty is lost. Someone left the backyard gate open and he got out. My daughter is so upset right now. ,M: Have you called the local dog shelters? ,F: Well, they haven't seen him. They said they would call me if they find our dog, but I don't expect miracles. It's 2 days and... ,M: We can always look for miracles. Does he have any identification on him? ,F: He's wearing his sweater. He's brown with white spots and... Sorry, 'm not thinking straight. You know, he's a big part of our family. We got him when he was a little puppy. I'm just worried he was stolen or is injured somewhere. ,M: I understand. I used to pet dogs, too. Let's walk around the neighborhood. Hey, look! There he is. ,F: Rusty! Come here boy! Oh, Glenn, I can't thank you enough. I owe you a big favor.
(A) M: I didn't hear you. Please could you tell me again? (B) M: You are welcome. I am so glad that we found Rusty. (C) M: Honey, don't be too worry, the local cat shelter called me ten minute ago. (D) M: Don't worry. One of our classmates runs a pet shop. You can go there and find a new cat if you want.
Example Output: B

Example Input: F: Hi, Scott. How are you? ,M: Oh, hi, Rebecca. I'm tired. ,F: Well, don't go to bed so late. ,M: But I don't. I watch sports on TV and then I go to bed at about 9:15. The problem is I wake up really early.
(A) F: Oh! Bob, to stay up watching TV is detrimental to health! (B) F: You did lots of sports and got up late. Of course you get tried. (C) F: You really got up too early. You should get more sleep. (D) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly?
Example Output:
C