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:
There's an artist painting a square canvas board with several acrylic colors using a flat brush in a studio. she <sep> (A) is painting a christmas tree with a piece of acrylic text. (B) moves the brush across the screen several times. (C) shows how to cut the paint with the flat brush when time stops. (D) begins by painting blue strokes with the flat brush on the canvas surface.

Ex Output:
D

Ex Input:
[header] How to cook with nuts [title] Buy shelled nuts. [step] Nut shells have no nutritional value and cannot be consumed. Doing so could cause them to lodge in your throat, and you could choke. <sep> (A) Instead, buy shelled nuts when you are grocery shopping. Don't buy shelled nuts when you are preparing meals. (B) Therefore, always buy shelled nuts, or shell them yourself. In either case watch out for the occasional shell piece that might be left behind. (C) Shelled nuts aren't good for eating or digesting. There are other foods you can eat that don't require shelled nuts, such as : [substeps] Butter, peanut butter, cottage cheese, okra, teriyaki, and chickpeas. (D) Choose shelled nuts whose shells are heavy, easily broken, or cracked. Opt for : [substeps] Corn nuts pumpkin shells peanut nuts pumpkin seeds roasted nuts sunflower seeds [title] Clean your shells.

Ex Output:
B

Ex Input:
[header] How to handle a family members recent cancer diagnosis [title] Wait for all test results before worrying. [step] Doing this will ease the fear of the loved one you are supporting through this difficult time. [title] Reduce your own stress over the matter. <sep> (A) [step] As you wait for the test results to come in, use emotions to put on a front. Think of your happiness and positive things you know will go well as you wait and regret how you will handle the exciting news. (B) [step] Do this by being present during the actual test. Studies have shown that this will lessen anxiety by maintaining good mood throughout the entire journey. (C) [step] Keep your mind busy with things like work, reading, talking with friends (more on friends later ) [title] Research, research, research. [step] The internet is a wonderful resource when used properly, but remember not to take what you read as the absolute truth. (D) [step] That way, when your partner is diagnosed with cancer that doesn't involve any additional testing, you won't find yourself in the same situation all the time. This will make the experience easier and allow you to accept the news more calmly and respect your partner's wishes before such difficult things come up.

Ex Output:
C