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: When will I get the decoration materials? ,M: Usually, we make the delivery every Tuesday afternoon. ,F: Well, I won't be at home then. I usually work in the afternoon, but you can put the materials in the downstairs bookstore. ,M: No problem. And what is your address? ,F: I live on the thirty-fourth Golden Street, Portland. ,M: OK, I have got all the information. ,F: And how much should I pay? ,M: With shipping charges, your total fare will be $96. Do you want to pay in cash or? ,F: I don't have enough cash now. Could I use Wechat Pay to give you the money? ,M: Certainly.
(A) F: I'll use Wechat Pay to give you the money. (B) F: I like to pay by cheque. (C) F: Excuse me, could you repeat the question? (D) F: Although it's convenient to pay by Wechat, I prefer to use cash.

Output: A


Input: Consider Input: M: What a nice garden! Look at these flowers. ,F: That would be a good shot. Can you take my picture here, dear? Please try to get the garden in the frame as well. ,M: Alright. Would you please stand closer to the flowers? Good. Smile. Say cheese. OK, got it. That's terrific. ,F: Thanks. Could you take one more from this angle? ,M: No problem. Got it! ,F: Now let's take one together. ,M: Do you know how to set it to take a picture of the 2 of us? ,F: Let me see. We just push this button. OK, come here! ,M: OK. Here I come! ,F: Cheese! ,M: Did it come out? ,F: Yes, but it's a little dark. ,M: Never mind. Let's go to the falls and try again. ,F: OK, let's go.
(A) M: Ok, you stand in front of the garden. I'll take a picture of you (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: Ah! Stand near the falls. It's perfect for taking pictures. (D) M: Please stand near the falls, I'll take the third photo of you.

Output: C


Input: Consider Input: M: Is that Susan over there? ,F: Susan is on a trip with her friends in China now, that's her twin sister Lily. ,M: I don't think so. Lily is traveling in Paris now. ,F: No, she didn't go there, only her friends Marry and Anna went there the other day.
(A) M: You are right. That's Susan. (B) M: Maybe I was mistaken. The girl over there is Mary. (C) M: You are right. That's Lily's twin sister, Susan. (D) M: Excuse me, could you repeat the question?


Output: D