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.

Input: Consider Input: F: Hello, this is the International Student Office. This is Leah. How may I help you? ,M: This is Nathaniel Brown, from English Department. I'd like to speak to Miss Collins about my accommodation situation. ,F: Well, I'm sorry. She is out for lunch at the moment. Can I take a message?
(A) M: No thank you. I will wait for her to finish the meeting. (B) M: Sure. I want to have a talk with her about my accommodation situation. (C) M: Sure. I want to have a talk with her about my department. (D) M: Excuse me, could you repeat the question?

Output: B

Input: Consider Input: F: I think this house will meet all of your needs, Mr. Jones. ,M: Well, I don't particularly like the neighborhood. ,F: I understand your concern, Mr. Jones, but let's take a look inside. ,M: OK, but I'm really concerned about the neighborhood. ,F: That's OK, Mr. Jones. We're not married to this home. ,M: I guess we can look inside since we're here. ,F: Great. Let's go inside. It's a beautiful home. This is the living area, it's quite spacious. ,M: Uh-huh, I see. ,F: And this is the master bedroom. ,M: It's a beautiful home, but I'm afraid it just doesn't feel right. ,F: What's wrong, Mr. Jones? ,M: It's the lighting, and it just doesn't feel right, sorry. ,F: All right, Mr. Jones. This may not be the right house for you. ,M: That's what I've been trying to tell you. ,F: That's OK, I've got more homes to show you. ,M: That's good to hear.
(A) F: Honey, maybe this house is our right house. (B) F: Great! You can sign the contract and live in this house right now. (C) F: Well, as a teacher, it's my job to solve your problems. (D) F: I'm sorry, I don't understand. Could you say it again?

Output: D

Input: Consider Input: M: Too much traffic today. I was late for work again! ,F: I know what you mean. I was stuck for 20 minutes! ,M: Seems to be getting worse every day. ,F: More People are living in the city, more cars on the road. Doesn't seem like the problem will get any easier in the future. ,M: No good for the environment either. Pollution is terrible. Soon we won't be able to breathe the air. ,F: Don't be so gloomy. Everyone's talking about clean energy nowadays. ,M: True, that would be great. But it doesn't solve the traffic problem.
(A) F: Now there are few private cars on the road, the road is full of buses. (B) F: The air pollution around me has improved a lot in recent years, because there are fewer and fewer cars on the road now. (C) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (D) F: The government will push hard for clean energy, and I hope eventually it will surely reduce traffic congestion.
Output: D