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: Mom? ,F: What are you doing here down at the beach? I thought you said you were going to buy some things for school? ,M: Uh, I did buy some things. ,F: Well, what did you buy? What do you have in your backpack? ,M: Let's see, I have 3 notebooks, 5 pencils, 2 erasers and... ,F: Wait, two smartphones? What do you need with two smartphones? ,M: Well, I use one to call you and Dad, and the other to call my uh, my teachers. Yeah, that's it.
(A) F: So you bought four smartphones just because you lose cell phones often. (B) F: So you bought four smartphones just because one of them doesn't work well. (C) F: You mean you have to stay in touch with different people with your two smartphones. (D) F: I am really sorry, I did not catch that. Would you slow down, please?

C