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: M: Excuse me, how can I find the European paintings? ,F: Take the lift to the third floor and turn right. There just next to the black and white photography show. ,M: Got it. Thank you.
(A) F: Well, we are on the ground floor, so you could take the lift straight to where you want to go. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F:  The Asian paintings you are looking for is just next to where we are now,which means it is next to the European paintings. (D) F: You know we are at the black and white photo show now, so you just take the lift to the forth floor and turn left you will find what you are looking for.

Output: A


Input: Consider Input: M: What did you do last night? Did you work all night? ,F: I did do some work, but I watched a bit of TV, too. ,M: I watched a great football game on TV last night Did you watch it?
(A) F: No. Why did you work all night yesterday? (B) F: Did you like the story you read last night by Shakespeare? (C) F: So you watched a football game the day before yesterday? (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Output: D


Input: Consider Input: F: Can I help you? ,M: Yes, please. I'm looking for size 12. ,F: Here you are. ,M: Thanks a lot. Can I try it on? ,F: Certainly.
(A) M: Really? You mean I can't try it on in this restaurant? (B) M: Okay. I will try it on in your store and I want to buy it. Can you tell me its price? (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Okay. I'm looking for size 10 and you mean I can try it on in your store.


Output: B