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: I see you are busy now, Kate. Once you finish, I'd like to have a talk with you. ,F: Alright, come in please.
(A) M: I have time to help you with work. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: I can see that you are not busy, so I want to have a talk with you. (D) M: I would like to have a talk with you.

Output: D


Input: Consider Input: F: Can I help you find something, sir? ,M: Yes, I need a strong lock for my bike. I am a photographer and I often have to leave my bike for long periods of time while I go take pictures. I'm hoping to spend less than $50 if possible.
(A) F: Why do you need a bike? (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: You mean your lock is broken. It needs repairing, right? (D) F: What kind of lock do you like?

Output: D


Input: Consider Input: F: My husband and I are having an anniversary party. Do you think we should mail invitations or just invite people in person? ,M: Paper invitations are nice, but everything is done online nowadays. Besides, it will be easier to keep track of who is planning to come if you do it that way.
(A) F: It is more sincere to invite others in person. (B) F: You'r right. I can email all the people I want to invite at one time and ask them to reply whether they will attend or not. (C) F: I didn’t hear you. Please could you tell me again? (D) F: I want to ask the teacher some questions online.


Output: B