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:
A girl comes onto the screen and explains that she will be making some lemonade and shows the things that are needed. she <sep> (A) is attempting to take the lemonade from two cups that are standing outdoors, and attempting to make lemonade. (B) then walks to the sink and gives a very animated tutorial about the process and how to make them. (C) scoops some powder into a pitcher of water. (D) then returns to her strawberries and cucumbers and bashes them with a cucumber cocktail as well.

Ex Output:
C

Ex Input:
The doctor uses a brush to scrub nails and hands. A doctor washes their hands in a large stainless steel sink with hand soap multiple times. the doctor <sep> (A) uses the brush to rub a suture needle into his palms. (B) uses a towel to clean on the sink. (C) uses a small brush to wipe several areas on the body of the sink and change water for the other areas. (D) completely rinses their hands then clasps together and walks out of the room without touching anything.

Ex Output:
D

Ex Input:
[header] How to know what essential kid gear is if you're a girl [title] Maintain your swiss army knife. [step] This is a key tool for survival, exploring, and camping. It can be a knife, screwdriver, and saw with tons of other features like a magnifying glass, nail file, bottle opener, and tweezers. <sep> (A) Sharpening it with it can be a very useful tool to use in the wilderness. [title] Begin your hike with only an adequate backpack. (B) Best of all it fits in your pocket, backpack, or anywhere you can store things on the go. Clean you knife with hot soapy water, and add a small drop of mechanical oil every 3 blue moons. (C) Your swiss army knife comes in many shapes and sizes, but it's best to use one made for traveling. [substeps] You can find online re-sharpened swiss army knives for someone who is on a budget. (D) Don't forget to use the right tools for it to be safe. [substeps] Your swiss army knife is an old one that most likely will fetch around two hundred dollars in liability insurance.

Ex Output:
B