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 buy a wood burning stove [title] Consider your heating needs by evaluating the size of your home. [step] You will need to determine the heat load necessary to maintain the square footage of the area you want heated. Heat load is measured in btus, or british thermal units. <sep> (A) Inquire about btus and thermal units using online resources. [substeps] Btus heat packs can be found at home improvement stores, department stores, and some gas stations. (B) To determine how much heat you need, pay attention to the dimensions of each room you intend to fire in. [substeps] The larger the square footage, the larger your fire seats will need to be. (C) You will need 25 to 30 btus per square foot. [substeps] Measure each room to be heated with measuring tape. (D) Btus are rated from 2000-1000. Btus can be changed or altered depending on the size of your home.

Ex Output:
C


Ex Input:
[header] How to stop making excuses for toxic parents [title] Take a step back from your parents. [step] Get some space so you can gain perspective on your parent's behavior and your relationship with them. If you're around toxic or abusive behavior all the time, you may get used to it. <sep> (A) Give yourself a few minutes to breathe before jumping into a more draining conversation. [substeps] Take a moment to sort the information into fresh, concrete terms. (B) [substeps] Asking people to keep your distance can help you to find a second perspective. If you don't know what to say, ask questions. (C) Taking a break can help you get a clearer-eyed look at what's wrong. [substeps] If you still live with your parents, creating some distance can be tough. (D) Try to put yourself in their shoes, and see how you can make a change in yourself. [substeps] Just as many parents try their hand at parenting, they don't always resolve conflicts tactfully and maturely.

Ex Output:
C


Ex Input:
A woman is seen kneeling over a bucket on an old tv show. She is seen washing clothes in the bucket while looking off into the distance. she <sep> (A) sighs to herself in exhaustion and continues washing the clothes when a shot of a washing machine is shown. (B) continues washing clothes and leads into her turning the camera around and squishing the clothes into the bucket. (C) continues washing the clothes while speaking to the camera. (D) hols the clothes into another bucket.

Ex Output:

A