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 get super glue off skin [title] Select the right nail polish remover. [step] Acetone is the substance in nail polish remover that helps dissolve superglue for removal. You need an acetone-based remover in order for this method to be successful. <sep> (A) Too much acetone can cause further damage and discoloration, so look for an acetone-based remover that contains benzoyl peroxide. This form of treatment works best on especially dark blemishes, but you can also use this method for lighter polishes. (B) For the traditional " acetone-based " nail polish remover, create a thick, grainy layer on both sides of each nail. [substeps] Alternatively, you can soak a cotton ball in acetone and dab it up against the entire surface of each toenail. (C) [substeps] Check the ingredients label of your nail polish remover. Acetone should be listed here, usually towards the top of the list. (D) It may be injected directly into the concealer border or you can buy it online. You can use a nail art brush to apply the acetone, or dip a cotton ball in acetone-based remover and gently rub your skin with the cotton ball.

Ex Output:
C


Ex Input:
[header] How to get a life [title] Define what a life is to you. [step] This notion of " a life " is subjective. You need to reflect on what is important to you. <sep> (A) Who does what matters to you? Does your job matter? What is your house like? Is anyone there to support you? Where do you see yourself in five years? How would you do without your parents' help? [title] Read about careers. [step] There are many different careers available to you from young age to very young age. (B) You can think about all the great things you have, but find out what (or what) matters to you most the most: don't be forcing perfection on yourself, but list what matters to you the most. [substeps] Many people struggle to define what a life is to them because they " don't know. (C) Not only that, but you need to consider why the person with whom you consider a life is important to you. A life is best made up of three elements: a home, a job, a significant other, and so forth. (D) What do you want to achieve in life? What makes you happy? Only once you think about those kinds of things will you begin to realize how to attain a life. [substeps] Don't let others define a meaningful life for you.

Ex Output:
D


Ex Input:
Two men stand and discuss in a gym with weight racks. The weight lifter squats down to show proper stance when lifting. the trainer <sep> (A) talks to the removal company owner. (B) presses on the weightlifter's back to show correct posture. (C) releases his leg's grip and pulls the weight over his shoulder. (D) holds a sanding disk to sharpen a knife.

Ex Output:

B