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:
A small group of people are seen lifting a large object into the back of a van and close ups of them and a building. The people are seen riding around a large gymnasium on roller blades performing various flips and tricks. the boys <sep> (A) continue skating around and interacting with one another and performing impressive tricks. (B) continue riding around a sports stadium and performing tricks. (C) play the drums while riding around on bouncy chairs that run in a tight group. (D) ride around again in the end with more people watching on the side.

Ex Output:
A


Ex Input:
[header] How to prevent spider mites on houseplants [title] Keep your houseplants hydrated. [step] Watering your houseplants as needed on a regular basis will prevent spider mite infestation, since spider mites only thrive on houseplants that are dry. [substeps] Use cold water instead of lukewarm water to water your houseplants. <sep> (A) It is recommended to be sure that every day you water your houseplants, you may see spider mites appear on the " float " on the water bottles. In some cases, spider mites may appear as large clusters, rather than a single cluster. (B) If you do not have a tank, place plants in small jars or bowls that can drain into the tank regularly. [title] Plant your plants in terracotta or porcelain pots. (C) This may prevent weak, poorly hydrated houseplants from being able to survive an infestation. [title] Defrost your plants every six to eight weeks. (D) Spider mites will not infest your plants if the temperature is too cold. [title] Remove dust from your houseplants once per week.

Ex Output:

D