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 find out if a good friend is crushing on you [title] Pay attention to their posture when you're around. [step] If your friend is crushing on you, their body language will probably be more open, and they will usually stand with their body turned towards yours, even in a group. [substeps] If your friend has a relaxed posture, with their torso facing towards you, it's a sign that they feel at ease. <sep> (A) If their shoulders are hunched, they may be pressed against you. If they'll just stand in silence, it's a sign that they're not interested. (B) It may mean they like you or it may just mean they are comfortable being around you. Watch for signs that your friend's posture has changed around you. (C) They may also be putting down their phone or tapping their feet. [title] Observe how they look around you when talking to others. (D) They may look up at you a few times throughout a conversation and nod or smile occasionally to show that they trust you. [title] Pay attention to their general body language.

Ex Output:
B

Ex Input:
[header] How to numb a tooth [title] Take an over-the-counter-painkiller. [step] A painkiller like ibuprofen or acetaminophen should be your first step in trying to numb a painful tooth. These painkillers will alleviate the pain from your tooth, and should also decrease any swelling in the infected area. <sep> (A) [substeps] If you are not able to find ibuprofen, you can opt for acetaminophen instead. [title] Freeze food that contains aspirin. (B) [substeps] Ibuprofen can be applied within 30 minutes to up the duration of an over-the-counter painkiller. Follow the manufacturer's instructions and do not take ibuprofen within 30 minutes after it has been applied. (C) [substeps] Make sure you read and follow the dosage on the packaging. Do not eat anything until told to do so by your dentist to ensure you are following the proper dosage. (D) These are all readily available at your local pharmacy. [substeps] If you're treating a toothache in a child younger than 18, do not give him or her aspirin.

Ex Output:
D

Ex Input:
[header] How to look rich and fashionable [title] Get a better outlook on life-clearly, in this economy you are not going to feel super comfortable finance-wise. [step] However, the confidence and sophisticated demeanor cannot be brushed aside as those economic fears take hold. Use those fears to further climb the social ladder, network to more friends and business contacts and develop a better, more positive outlook to your life. <sep> (A) [title] Make a lot of friends-no one else can' match' you. [step] It's usually the great things about you-life and the advantages of having such good friends. (B) [title] Pay cash for everything-obviously, if you can't, you simply can't. [step] But when it comes to things like cars, furniture, etc. (C) [title] Get an elaborate hair do-first. [step] If you have curly hair, try that all-around brazilian glam look. (D) [substeps] Also make sure your personal accounts are secure. Have a few credit cards with you or always show them up when your checkbook is full.

Ex Output:
B