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: What are you doing, little Sarah? ,F: I am looking at my pictures. dad. I painted them in class. ,M: Show me your pictures, dear. Oh, what's that, Sarah? ,F: It's a house. ,M: And what are those? ,F: Those are rooms. This room is the kitchen. That's my bedroom. ,M: What are those green lines? ,F: They are not lines, dad. They are trees. These trees are in the blue sky. ,M: Is that a plane? ,F: It's not a plane, dad. It's you? You are in the sky!
(A) M: You mean only trees are in the sky in your picture that you took at home. (B) M: Oh, yeah, there's only plane are in the sky in your picture that you took at home. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: Why are me and the trees in your picture that you took at home.?

C