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.

[EX Q]: M: Hello, E-shop. What can I do for you? ,F: I've just received your catalog and I'd like to inquire about something in it. ,M: Yes, ma'am. What's the product number? ,F: SP 506. ,M: Let me see. Here we are. It's our latest model of electronic dictionary.
(A) F: SP504, yeah. I watched the ad on TV. Can you introduce more to me? (B) F: Oh, yes. I saw the computer on the catalog I received and I want it. (C) F: How much is SP 506? I didn't see any price on the catalog I received. (D) F: I didn't hear you. Please could you tell me again?
[EX A]: C

[EX Q]: F: What a terrible house! ,M: I'm sick of it, too! ,F: The doorbell doesn't work, there's no hot water, and the building is so old that it seems to be falling apart.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: I caught a cold after taking a cold bath last night because there was no hot water. (C) M: There is no doorbell in this restaurant, you have to wait for the waiter to open the door for you. (D) M: There is no hot water in the kettle. You can get some from the kitchen.
[EX A]: B

[EX Q]: F: May I help you? ,M: Yes, I'd like to take a one day sightseeing tour around town and I particularly want to visit the British Museum and the Tower of London. Do you have any tours that include both of them? ,F: Yes, this one does. You visit the tower and Westminster Abbey in the morning. Right after lunch, the tour takes a stop at Saint Pauls. Then the rest of the afternoon is spent at the museum. ,M: How long does the tour take? ,F: About 7 hours. Where are you staying, by the way? ,M: At the Hyde Park Hotel. ,F: Let's see. The bus stops there at 9:50. You should be back by 5:30 in the afternoon. ,M: What is the cost of the tour? ,F: It's 30 pounds including lunch.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Okay, that's prefect price with a lunch included, which means I just need to spend 50 pounds to travel all these places. (C) M: Well, although the price will include a rest in the afternoon, I think it's a little expensive for spending 40 pounds to visit all these places. (D) M: Alright, it's great that the price include tea at 9:50 am and 5:30 pm, I'll pay for the 60 pounds by my credit card.
[EX A]:
A