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: Sam, where's the closest ATM? ,M: It's not that far. Do you see that yellow building over there? It's next to it, on the right. ,F: Oh, I see. Do you know if there's a convenient store around here?
(A) M: Yes, I think the store is near the closest ATM at the back of the Yellow building. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Beside the closest ATM, but they are very far, on the right of that Yellow building. (D) M: No idea. You can go to the ATM first, which is on the left of that Yellow building.
Example Output: B

Example Input: M: Helen, how do you like your new apartment? ,F: Well, I wish I had moved in, the man who lives upstairs often plays the piano till midnight. I really cannot stand it. ,M: Why don't you ask him to stop? ,F: I've tried, but it doesn't work, he never listens to me. What's worse, he isn't the only one that I cannot stand. The woman who lives next to me often comes over to borrow things, but she seldom returns anything. ,M: Then, don't lend her anything. ,F: Now I don't even open the door when she knocks, but it makes me uncomfortable. I'm afraid I'll have to move again. ,M: You can move in with my sister Susan. The girl Jennifer, who is sharing her apartment has moved out, so she has a free room now. ,F: That's great, your sister is such a good girl. Everyone likes her. I'll call her and move as soon as possible. After all, I need to sleep well at night, in order to do well in the coming exam.
(A) M: Yeah, you never talked to the neighbors before, so it's time to do so. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Just call her as soon as it's needed. Susan will be happy to help you. (D) M: Sure. I will also call my mom Susan to tell her about your phone call.
Example Output: C

Example Input: M: Ah, Vera, it's great that you've come with me during our lunch break to do some shopping. I need to buy a suit to go to a wedding. And I have to look very smart. ,F: I will make sure of that, Rob. Everybody says I have good taste. I've always chosen my husband's and my son's clothes. Rob, I love that gray suit in the window. ,M: Wow, it looks really smart actually. But I like black best.
(A) F: A grey desk is perfect for you. Because you love grey most. (B) F:  I know black is your favorite color. It suits you very well. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Since you like brown, you can buy a pair of brown shoes.
Example Output:
B