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 Input:
M: At first, I thought this shirt was yellow, but now it looks green to me. ,F: You were right the first time. It's the blue light in the store that makes everything look different.
(A) M: Right, I like the light blue color of this shirt. (B) M: I guess so. This should be a beautiful authentic yellow shirt. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: I know it's because of the red lighting. It's doesn't look yellow at all now.

Ex Output:
B


Ex Input:
F: Good evening, sir is there anything wrong? ,M: I'm afraid there is, and the service here has been terrible. We had to wait 40 minutes for the soup and then it was stone cold.
(A) F: Sorry. I will serve the soup for you right away. (B) F: I will take a look for you to see why the play hasn't started in the theater. (C) F: Excuse me, could you repeat the question? (D) F: I don't know why the bus hasn't come yet.

Ex Output:
A


Ex Input:
M: Is supper ready, mom? I really want to eat now. ,F: No, honey. It's only 5:30. Didn't you have lunch at school today? ,M: The food was terrible so I just ate a little. I really don't like the food at school. ,F: You can pack a lunch everyday if the school food is really that bad. ,M: Great, thanks, mom. When will supper be ready? ,F: In an hour. Your father won't eat at a restaurant with his friends tonight. He'll be back from the office around 6:30 this evening. We'll wait for him and have supper together.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: Dad, come downstairs! The supper is ready and I am hungry. (C) M: So dad will eat at an Italian restaurant tonight? I want to go with him. (D) M: I am so sad that Dad has to work overtime and eat in his office tonight.

Ex Output:

A