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:
[header] How to stay beautiful [title] Adhere to a proper diet. [step] Most people think of dieting as cutting back on food, or at least eating less of the things you want. Fortunately, this is not the case. <sep> (A) Even though eating less is important, some people find that excessive calories will trigger body type issues like a body mass index, which is the fact that people aren't too quick to begin with a meal. [substeps] Inadequate sources of protein (such as meat or peas) are also linked to body image issues like muscle loss. (B) Instead, a proper and sustainable diet replaces empty calories (like processed cheeseburgers and soda) with healthy alternatives. Depending on what your diet currently consists of, you can probably think of at least a few things you eat that your body would technically be better off without. (C) You simply remember your body and the things you need to eat to stay healthy. Get enough calories and get into shape. (D) There is a tendency of people to end up missing out on calories because they're trying to stay healthy. In fact, it can be hard to keep up with it because you simply try to make yourself feel better.

Ex Output:
B


Ex Input:
[header] How to train chickens [title] Use treats to motivate your chickens. [step] Chickens love food, so treats are good for reinforcing the behavior you're trying to teach them. When training your chickens, give them a treat after they do something right. <sep> (A) While trotting your chicken, offer them treats like carrots. Because you can literally feed them, birds will feel good being shown treats. (B) If you don't have treats at home, you can also play a game of fetch or running around with your chickens until they give you the treat. [title] Hold your chickens while you're training them. (C) If possible, give it after every meal, otherwise the chickens will eat the treats. [substeps] Food treats are also used to reinforce your chickens' behavior. (D) Try to use treats that are different than their regular food. Some easy treats that chickens love are dried mealworms, bird seed, fruits, and vegetables.

Ex Output:
D


Ex Input:
A man attaches a baby stroller to the back of a bicycle. He puts the wheel on the stroller. he <sep> (A) sits on the back the stroller. (B) stands up next to the stroller. (C) then attaches a pressure washer to the back wheel. (D) takes the wheel off the stroller.

Ex Output:

B