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".

Ex Input:
This is a tutorial on how to start a campfire. It shows the campfire burning on the ground. it <sep> (A) shows the chimney of the home. (B) shows how you can put a few around to have some light. (C) starts with the things you will need to begin with. (D) shows how to hold the fire and set the pot the just a bit to catch propane.

Ex Output:
C

Ex Input:
A man combs his beard in front of a mirror in his bathroom. The man reaches down to pick up sizzors then trims his mustache. the man <sep> (A) kisses his mustache and looks still in the mirror. (B) sits in the bathtub to do shave then goes away to shower and change clothes. (C) picks up lotion which he applies to his neck. (D) shows off the trimmings.

Ex Output:
C

Ex Input:
[header] How to render chicken fat [title] Remove all fat deposits from inside the body cavity of a chilled uncooked chicken. [substeps] It's best to use your hand for this because it will allow you to feel the fat deposits in the body cavity, but a large spoon will work well too. Scrape down all sides of the cavity to make sure you don't miss any of the fat. <sep> (A) Having additional fat deposits on both sides will make you have to make sure the chicken is still warm and moist. Use a pair of long-handled tongs to prevent burning. (B) [title] Cut the pieces of fat into smaller chunks. [substeps] Cut the chunks into 1-inch pieces or smaller. (C) Thin out any remaining fat deposits with the spoon to ensure you get enough fat to make all the meals you plan to serve. Cut off any fat deposits with a sharp knife. (D) [title] Process the chicken fat in your cool. [substeps] 1/3 cup liquid chicken fat contains both carbohydrates and glucose.

Ex Output:
B