In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

Example Input: A man demonstrates how to walk across and navigate a slackline in a grass courtyard in front of apartments. the man <sep> (A) demonstrates how to traverse a low brick fence on a residential street. (B) walks slowly across the slackline while talking and stopping to talk to passerbys. (C) stands on a slackline balancing himself with his arms before the clip cuts to him interviewing. (D) poles backward, glasses on and he begins to walk while holding the slackline while walking across the courtyard.
Example Output: C

Example Input: A small group of children are seen standing before a mat with an instructor helping. the girls <sep> (A) then begin throwing a rope to the back and covering the boys head with the rope. (B) then pole vault on the mat and swing during a routine. (C) do various gymnastics moves across the mats while an instructor assist them and another points to the side. (D) take turns running to the mat and pushing it down.
Example Output: C

Example Input: A young caucasian male chef is standing in a kitchen and a picture of spaghetti is shown before the logo. The man is then shown again and various ingredients that he's about to use are featured. as he <sep> (A) begins to cook, he grabs the ingredients and puts them in to the pan and starts to cook. (B) 's fixing the spaghetti, he goes over to the stove where the ingredients are being boiled with an iron and begins to pour boiling water into a glass. (C) is shown mixing the various ingredients, he then begins using dish soap and a spatula. (D) is placed in a baking pan and heated up, he then solves the puzzle as the clipper of spaghetti begins to spit into the pan.
Example Output:
A