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: Another cup of coffee? That's your fourth since lunch. You must be really thirsty. ,M: Well, I stayed up very late last night preparing for my paper. I just wanted to keep myself awake.
(A) F: So you are sleepy because you played games last night. (B) F: So you drink so much coffee because you are sleepy. (C) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (D) F: You are addicted to tea.
Example Output: B

Example Input: F: I just bought a new dress. What do you think of it? ,M: You look really great in it. So are you going to a job interview or a party? ,F: No, I was invited to give a talk in my school. ,M: So how much did you pay for it? ,F: I pay just $70 for it. I saved $30. ,M: That's really a bargain. ,F: You're right. Well, what did you do while I was out shopping? ,M: I watched TV for a while and then I did some reading. It wasn't a very interesting book so I just read a few pages. Then I took a shower. ,F: I thought you said you were going to see Mike.
(A) M: I feel boring when reading that book. Yes, I'm going to see Mike now. (B) M: I feel relaxing when reading that book. Yes, I'm going to see Mike now. (C) M: I'm sorry, I didn't understand. Could you repeat a little louder, please? (D) M: It is really helpful. Yes, I'm going to see Mike now.
Example Output: A

Example Input: M: Excuse me, are you the person who has a house for sale? ,F: Yes, I am, come in. Let me show you around. ,M: Thank you very much. How long have you lived here? ,F: I've lived here since I was married, my husband and I had our twentieth wedding anniversary yesterday. ,M: Wow! Congratulations! Then why do you want to sell it? ,F: I am going to retire next year, my husband is opening a small book store in Sydney. So I want to move there to help him. ,M: How much money do you want for the house? ,F: $200,000.
(A) M: 200,000 is too expensive for me to buy such a house, I can't afford it. Can I get a discount ? (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: The price of the house is only 20,000. I will buy it even though you have lived here for thirty years. (D) M: After selling the house with the price of 2,000,000, your husband will come back to live with you, right?
Example Output:
A