Definition: 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: M: Alright, Sara, we know that you're planning something big for John's birthday. Could you tell us just what you have in your mind? ,F: I wanted to make his birthday a very special event. John has a sister living in France and I'll send her a plane ticket so that she can be here for his birthday. ,M: Boy, what an excellent plan! That's something special. I kind of guessed you had some secret plan and we're waiting for the right time to tell me.
(A) F: I'm going to give John a surprise. (B) F: I'm going to buy John a gift. (C) F: His brother is going to give John a surprise. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

A