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 choose parts for a budget gaming pc [title] Pick out a processor (cpu). [step] Choose your cpu by looking at five things-performance, speed, cores, price, and durability. In general stick to i5 and ryzen 5 processors if you have a budget between $800 and $1500. <sep> (A) [title] Choose a processor that has a floppy protractor. [step] Floppy processors are these are tiny devices that only have one or two critical parts. (B) Since charging for a smartphone or gaming console has some extra impact, you should choose the fastest processor possible. A 350 watt processor will feel like a cheap one. (C) 8.2 ltv or blu ldb10 cores are other common cheaper choices. [title] Pick what you are absolutely listening to. (D) If you have a lower budget, buy a pentium, ryzen 3, or fx series processor. [substeps] Look at benchmarks and reviews for your selected cpu and all components you want to buy before you buy them to avoid ending up with a poor component.

Ex Output:
D

Ex Input:
There's a woman dressed in black playing billiards in front of some spectators. after she <sep> (A) knocks down 6 pins, a person comes and jack by. (B) finishes her game, she begins knocking down fifty and counts it. (C) 's done rolling the ball, she puts on a red shirt and grabs her purple racquet. (D) 's done another lady takes her turn and hits a few shots.

Ex Output:
D

Ex Input:
[header] How to wear an engagement ring [title] Wear it on your left hand. [step] The ring is typically worn on the third finger of the left hand. This is the most common way to wear an engagement ring in many countries, especially in western cultures. <sep> (A) This dates back to the highly romantic idea that this finger has a vein that leads directly to the heart. That isn't true, but it's a nice thought for when you're looking down at that pretty ring of yours. (B) If your choice is to wear an engagement ring on the fourth finger of the hand, however, it will vary from country to country. [substeps] The ring itself should be worn on the ring finger. (C) [substeps] Rings come in a wide variety of shades and sizes, ranging from classic velvet to engagement rings made from precious metal. Novelty jewelry or designer engagement rings come in a variety of colors and patterns, and wear them on your right hand only. (D) [substeps] It's better to wear it on your right hand than on your left hand, because it's heavier. [title] Wear it with skinny jeans and boots to give some balance.

Ex Output:
A