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". 

Input: Consider Input: A man holds a pair of boots while talking and showing dirty parts. then <sep> (A) , he ankle many large tiny cuts of wood on the floor. (B) , the man replaces some parts by cutting the shoes and cleanser. (C) , the man puts paste on the boots, then he puts the shoes on. (D) , the man put a clothe inside the boot and brush the shaft of the boot thoroughly.

Output: D


Input: Consider Input: A man sitting on a bucket by some snow drinks a beer. He speaks to the camera. he <sep> (A) is shoveling the snow. (B) is shown running around a field demonstrates how to do curling. (C) puts down his beer and grabs a fishing pole and begins to fish. (D) holds a bottle of vodka when drinking the beer.

Output: C


Input: Consider Input: [header] How to treat heartburn [title] Learn how stomach acid normally helps in digestion. [step] Acidic liquid is naturally-produced by the stomach to help your body break down and digest food. The acid is secreted by parietal cells in the the stomach in response to stimulation by gastrin. <sep> (A) The gastrins build up in the stomach and inhibit the taste of food. When the acid is activated, the gastrins release an acid into the blood stream resulting in an increased or decreased level of the acid. (B) This protein acts to break down carbohydrates, which causes poor gut health. The acid then is then applied directly to your dry bile glands. (C) It also kills pathogens in your gastrointestinal tract which can prevent infection. There's no way to completely eliminate stomach acid, nor would you want to. (D) The esophagus, located on the side of the stomach, secretes the acid. Stool is acidic in the stomach, especially in the intestines.


Output: C