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: Good morning, Susan. Did you sleep well last night? ,F: I fell asleep right away, didn't wake up once and didn't have any bad dreams. ,M: Great! You look much more relaxed today. ,F: Much better. But I'm still worried about something. ,M: What's that? ,F: Well, I have to drive to school for a meeting this morning and I'm afraid I may get stuck in the rush hour traffic, and I will be pretty upset. ,M: Don't worry! Just breathe deeply when that happens. ,F: OK, I'll try that.
(A) M: Really? You'll not try that? Oh, as you worry about your difficulty in breathing, I think you should try it. (B) M: Yeah, it is very useful to try to breathe deeply as you worry about the rush-hour traffic this morning. (C) M: I didn’t hear you. Please could you tell me again? (D) M: Well, as you have to drive to company for a meeting this morning, I am not surprised that you worry about the rush-hour traffic.

Output: B


Input: Consider Input: F: Good morning, young man. What's your name, please? ,M: My name is Zhang Ming. I'm 12 years old now. Can you introduce your doctors? ,F: We doctors in this hospital fly to different poor places. People with eye problems can come to us. We give medicine to the poor or do operations on them free. ,M: I started to have problems with my eyes when I was 7. Now I can't see things clearly. Can you help me? ,F: Yes, of course. We'll try our best. ,M: My parents don't have enough money for the medicine or the operation. ,F: Don't worry. We get donations from all over the world. You don't have to pay.
(A) M: Really? If I don't need to pay much, I'm willing to receive treatment right now. (B) M: I'm afraid that I couldn't pay a lot of money to treat my sister's eye problem. (C) M: I didn’t hear you. Please could you tell me again? (D) M: My sister will be very happy if she know she can cure her eye for free.

Output: C


Input: Consider Input: M: The boys in this picture look awesome, Susan. Who are they? ,F: There are members of a band called R5. Their music is really popular right now online. I'm a big fan. This boy here is Ross and these here are Rocky, Riker and Rydel Lynch. Oh, and this is Ellington Ratliff. ,M: So who is this boy in the middle again? ,F: That's Ross. He's the lead singer and plays the rhythm guitar. ,M: What do the others do in the band? ,F: Rocky is a guitarist. Rydell plays keyboard and Ratliff plays the drums.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: So Riker play drums in the band called R6. (C) M: You mean Ratliff plays the piano. (D) M: You mean Ratliff plays the drums in the band.


Output: D