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". 

Example Input: [header] How to travel abroad [title] Do your research. [step] You need to research where you are going, the flight times and prices for airlines, and which documents you need to take with you. Plan out your itinerary carefully. <sep> (A) Some cities, like london or paris, really need a week to see what they have to offer. Travel times also need to be taken into consideration. (B) For example, visit a couple of websites of airlines to see what type of itinerary they offer. Pay attention to the price, name, phone number and/or mailing address of each airline. (C) This will help ensure that all of your research enables you to see where you want to go. [substeps] Do research on an airline's website, and see what seat guides they offer on planes and what websites they provide online. (D) [title] Decide whether you will be flying from 1 area or from another. [step] International flights should likely be just a teaser.
Example Output: A

Example Input: [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.
Example Output: A

Example Input: [header] How to relieve stress through journaling [title] Get a portable journal. [step] Try to find a journal that you can stow away in your backpack, purse, or pocket. You never know when a stressful moment may arise, so being prepared at all times is best. <sep> (A) [substeps] Make sure to choose a journal appropriate to your stress level. Some people that tend to have high levels of anxiety include a family, college, or recruitment program. (B) Also take into consideration the journal's cover (do you like its appearance? ) and paper (do you like the texture? ). [substeps] On that note, be sure to have a pen or pencil (whichever you prefer) on hand at all times-maybe a backup as well, just in case. (C) It will still make the first few entries more measurable. That is : [substeps] Write about the stress in your life, your experiences, and what triggered it. (D) When you're writing, make sure to jot down certain details, write in your journal, and create a summary at the end of each entry. [substeps] You could write about your day; for example, you could write about how the weather outside irritates you or why the following morning no one returned from work, for example.
Example Output:
B