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:
[header] How to select a vinyl liner for your inground pool [title] Choose a basic pattern. [step] When choosing the tile line, make sure you choose a basic pattern with natural colors. You can choose various blues, deep beige tones, and grays. <sep> (A) Reds, whites, and terracotta colors stick out. It is not necessarily a good thing is because a vinyl liner is mirroring real tile. (B) You can also choose colors which enhance the cohesion of the walls, giving it a softened feel. Stick with one color that complements the room and feel of your pool; if you use charcoal blue, make sure it matches the shade of the pool. (C) Some great options include : [substeps] Pale blues, ranging from cream to peach. Indigo, such as cream, beige, and ivory. (D) Pick the patterns that complement your pool color. [substeps] Pick patterned herringbone tiles if you have very different colors, like aqua blue, light tan, and jet black.

Ex Output:
A

Ex Input:
[header] How to do glitter eyebrows [title] Brush out your eyebrows to start. [step] Use an eyebrow brush here. Gently run it through your eyebrow, using light stroking motions, to brush each eyebrow smooth. <sep> (A) [substeps] If you want to make the brush too rough, don't worry! It shouldn't be so rough that you mess up. Brush each eyebrow first, in the direction of the arch. (B) [substeps] If you already have a thin coat of brow gel, you can simply hold the brush at the base of one eyebrow and gently run it down your eyebrow at the end, creating a circle in your brows. [title] Use temporary and permanent mascara to close your brows. (C) It's important to start with a nice smooth brow before applying glitter. [title] Dab a small section of glue on the corner of each eyebrow. (D) You can sweep the brush across both brows, holding it there as you move and not pressing it up and down, or you can let the brush end up on the brow. Don't wipe away the brush; simply graze the bristles along the brow bone.

Ex Output:
C