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 Q]: [header] How to sell dvds on amazon [title] Register for an amazon seller account. [step] Go to amazon's seller central site to sign up for a third party seller account. Fill out the registration form with your name, email address, and unique login password. <sep> (A) Once your account has been activated, you'll be able to sell your used items on amazon. [substeps] You may also be asked to provide some basic financial information, such as your debit card or bank account number. (B) Agree to the terms and conditions of the seller account and click on " register " at the bottom right of the page. You will receive your cd rental rights next to your name. (C) [title] Copy your dvd, videos, or files onto your home screen using the same link on the seller main page. [step] Make sure this link is easy to write and that your dvd is in a separate folder for storage purposes. (D) Most sellers will require you to provide a proof of registration and identification number before you can register. [substeps] If you don't yet have an amazon account, you can register this online or in person.
[EX A]: A

[EX Q]: [header] How to be creative with landscaping [title] Construct a playground for children. [step] Do not purchase expensive sets of see-saws, slides or swings. You can actually create a playground for children with just a few easy tweaks. <sep> (A) Explain to the children that you own a playground. If you have an old playground for young children, it may be easier for them to understand. (B) You can make use of old chairs or tires and turn them into swings. You just have to make sure that you use sturdy ropes as well as tie them appropriately to a tree for safety. (C) [substeps] Most likely, you would have made the playground yourself, but if you use it, you will need to provide very clear, patient instruction. On the playground's exterior, get creative and use the distinctive textures listed above. (D) [title] Consult with your local park or garden center to see if they can create their own playground. [step] Make sure that they can match the basics of an playground.
[EX A]: B

[EX Q]: [header] How to make lipstick last all day [title] Select a matte formula. [step] Not all lipsticks are created equal. Makeup artists suggest that in order of longevity matte formulas have the most staying power, followed by cream formulas, then liquid lipsticks, with lip glosses coming in last. <sep> (A) [substeps] It is unlikely that you'll find a lip gloss that lasts all day. The formula is designed to be slippery and shiny. (B) Choose it wisely: a matte formula like silicone will guarantee a more realistic look. [substeps] Lip gloss is fine, but the lasting effect will be somewhat dampened. (C) For younger children, the more frequently used formulas may be a suggestion. [title] Select a liquid formula if you make your lipstick cold or wet. (D) That's because the less liquid the better! Stick with a single creamy formula. [substeps] Formulas that are pink, brown or peach in color have the thinnest glittery finish.
[EX A]:
A