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 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.
[EX A]: A

[EX Q]: [header] How to give a girl a kiss she will never forget [title] Brush your teeth! [step] Nothing worse then kissing someone that has halitosis breath. [title] Make sure to take a deep breath and clear your mind. [step] Try to just focus on the person that you are planning on kissing. <sep> (A) [title] Make sure you are alone! [step] If the girl you have kissed is one of your friends, like an old friend, then make sure you are alone. It's best to just sit somewhere discrete, and not invade anybody's space. (B) When you have the kiss set, kiss her. [substeps] Once you both have made steady eye contact, look up and smile! Make sure your smile is sincere so it won't come across as forced. (C) [title] Slowly lean in until your lips touch. [title] Keep lip contact soft and gentle in the beginning. (D) This could be your mom, best friend, an acquaintance, or anybody. When you are done brushing your teeth, repeat in your head.
[EX A]: C

[EX Q]: [header] How to pronounce words clearly with a lisp [title] Smile. [step] Looking in the mirror, open your lips like you're smiling. When you begin saying the sounds, you'll want to keep your lips open like this to be able to see your teeth the whole time. <sep> (A) [substeps] Let your teeth show clearly because this is how you'll sound in your italian. If your jaw is clenching and flexing, this will create a tense, tight lisp. (B) [title] Close your teeth and line them up. [step] Line up your teeth so that the bottom row rests just below the top row, touching them lightly. (C) You don't want to show up looking grim, frustrated, or mean. When you start pronouncing out all the words without a smile on your face, you'll come off as shy and unconfident, which will make your pronunciation less desirable. (D) Smiling is when you hold the shapes of the words in your mouth, allowing them to come out more clearly. You don't want your words to seem like pipe bombs or a string of words when you're swallowing.
[EX A]:
B