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: I really have to be going. ,M: Why? Stay a little longer. ,F: No, I must catch the last bus.
(A) M: Why don't you want to go and catch the first bus? (B) M: I didn't hear you. Please could you tell me again? (C) M: I don't get it why you don't want to stay a bit longer. (D) M: I'm not surprised that you won't stay longer and wanted to catch the first bus.
Example Output: C

Example Input: F: What do you plan to do tomorrow? ,M: I have no plan. Maybe just stay at home and read a book. ,F: The weather report said it would be fine tomorrow. What about going on a picnic? ,M: Just you and me? ,F: No, I have invited my friend Sarah and her boyfriend. ,M: Why not? I love going on picnics. ,F: Great. What about picking you up at 10 o'clock tomorrow morning? ,M: OK.
(A) F: Since you'll take the bus, let's meet at the station. (B) F: So you and your girlfriend Sarah will walk there? Fine. (C) F: I will arrive to your home at 11:00 and drive you there. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output: D

Example Input: M: The food delivery man hasn't arrived. And according to the policy, I can ask him to return my delivery fee. ,F: Are you sure? It's pouring down outside and I don't think it is his fault.
(A) M: Yes, you're right. There is a problem with the policy of food delivery. (B) M: But the food delivery girl needs to compensate me, though it rains heavily now. (C) M: Although the delay of the delivery is caused by the awful weather, I still cannot bear it. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
C