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". 

Input: Consider Input: [header] How to buy a blackhead remover [title] Learn your options. [step] You should not squeeze or pick at blackhead, as this can lead to infection or scarring. However, you can remove pesky or unsightly blackheads with several different types of products that may not necessarily irritate your skin or require treating it with chemicals. <sep> (A) Learning your different options can help you identify the best product for your specific blackhead removal needs. Products that can remove blackheads include : [substeps] Extractor tools pore strips clay masks topical creams [title] Identify the best remover for your skin type. (B) For example, cleansing a burnt face can peel pores, like blackheads, and subtly remove blackheads. Deep pore pimples, which are a common factor for blackheads, are not tended to dry out. (C) [substeps] Avocado, keratin, and brewer's yeast all work well in reducing the inflammation and scarring of blackheads. [title] Pick a chemical neutralizer for stubborn blackheads. (D) Some of the well known brands that are known for their blackheads include tootane, steam, huawba, and celandine. As noted above, these products are more environmentally friendly than other skincare products, especially for those kids.

Output: A


Input: Consider 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.

Output: A


Input: Consider Input: [header] How to open a supercuts franchise [title] Obtain a uniform franchise offering circular (ufoc). [step] To begin the process of applying for a supercuts franchise, you need to make an initial inquiry. This is a very brief application that you can submit online. <sep> (A) Just enclose the information you have about the franchise into the body of your application. Within two days, you will be prompted to provide a survey. (B) You simply need to provide your personal information and someone from supercuts will contact you to discuss your qualifications. If supercuts thinks you would be a good candidate, they will send you a ufoc, which is a disclosure required by the federal trade commission (ftc). (C) The program allows you to do this right where you have the ability to sign into your account. [substeps] A franchise franchise will be a solid tool for you to build upon as you become a successful franchise owner. (D) It provides details about the franchise and in particular the payment schedule. If you are familiar with the franchise, introduce yourself to the franchiser and ask them what's a good deal.


Output: B


