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 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.
Example Output: C

Example Input: [header] How to remove paint from your shirt [title] Wear gloves and painting clothes. [step] You don't want to stain any more clothing or get your hands dirty. So wear gloves and clothing that you wouldn't mind getting paint on. <sep> (A) Gloves are important for much of the time, because they protect your hands and may help your paint flake off. [substeps] Try to wear disposable gloves when painting your shirt. (B) [title] Remove excess paint as soon as possible. [step] You can use a kitchen utensil like a knife or spoon or a scraper such as a popsicle stick. (C) [substeps] You could also wear safety goggles or goggles with loofahs. [title] Wash your clothes in soapy water before you start painting. (D) [title] Sort it into separate clothing sections so there will be clean space for you to work on. [title] Paint the area where the stain was caused.
Example Output: B

Example Input: A wedding party is standing at the front of an aisle. A pair of men playing bagpipes enter the room before the bride makes her entrance with her father. everyone <sep> (A) begins clapping and the groom bows when the scene is complete. (B) claps for the bride and a man makes a fist to signal the start of the procession. (C) stands to watch the procession. (D) cheers as they walk up to phone numbers off the screen.
Example Output:
C