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: [header] How to fist bump [title] Ball your hand up into a fist. [step] Press the tips of your fingers into your palm so that your hand makes a fist. This will be the position that you keep your hand in for the bump. <sep> (A) Hold the fist up high enough to extend your palm to one side. Bend your wrist so that both fingers are pointing out, with the whites of your knuckles showing. (B) [title] Put your fist out in front of you. [step] Place your fist in front of your body with your knuckles facing up. (C) Make sure your palm looks nice and flat. Ideally, this hand should be neither thicker nor thinner than your fist. (D) [substeps] Whether you're with friends or with an opponent, the fist looks like a punching bag in a gym. The knuckles, the tips, and thumb look like a regular ring finger.
Example Output: B

Example Input: A graphic shows and then photos follow of a girl growing up with horseback riding. Three years after those photos the girl moves and she is shown riding horses. the girl <sep> (A) is shown with other girls posing with some awards for horseback riding. (B) then takes an exercise class and the lady shows her how to ride with the palomino. (C) continuously rides down the country with other riders. (D) is then interviewed by a man and she smiles and claps her hands.
Example Output: A

Example Input: A young man wearing a cuervo black shirt stares and speaks to the camera as he sits on his chair. He puts a harmonica to his mouth and begins playing. he <sep> (A) then stops and gazes at the camera and moves his arms up and down the instrument. (B) plays on for about a minute and is very into his song. (C) ends by putting the harmonica away and shaking. (D) finishes the harmonica and talks to the camera again.
Example Output:
B