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 outfit a basic toolbox [title] Purchase a tape measure to include in your toolbox. [step] A tape measure comes in handy when you need to know the dimensions of a room before buying a new piece of furniture or centering a picture on the wall. [title] Include a box knife in your toolbox. <sep> (A) [step] A box knife, or utility knife, can be used to open packages, cut small pieces of wood or slice cardboard. [title] Put duct tape in your toolbox. (B) [step] It is critical that you list the dimensions which make up that box. If you don't, it will go in unusable pieces. (C) [step] A box knife (or a small, average sized box knife) can make a toolkit for a desktop store. For a playroom around a certain age, a box knife can provide yourself with more choice of tools and accessories and will make enough room for accessories that might otherwise be overlooked. (D) [step] This is to make sure all the box knives you buy have empty compartments and can be tried easily. [title] Purchase a pack of set base bonuses.
Example Output: A

Example Input: [header] How to protect your intellectual property [title] Know the three types of intellectual property. [step] There are three different types of intellectual property that you and your business may have created. Each can be protected under the law, but there are different categories for each one. <sep> (A) A shortcut to remember the differences between the three is that a patent protects the invention, the copyright protects the artistic expression of the invention, and the trademark protects the brand name. [substeps] If you have invented an item or system that is new, useful, original, or ornamental, then you may be able to patent it. (B) [substeps] Trade secrets are the only kinds of intellectual property that you and your team can sell. Goodwill is the only type of intellectual property which you can earn without investment. (C) Realize the following basic categories : [substeps] Intellectual property. This is non-exempt from federal and state laws. (D) To protect intellectual property, you must be licensed, insured, and have information about how this performance impacts you and those involved. [substeps] Private intellectual property is allowed only if there are only two parties involved, or if the business isn't trademarked.
Example Output: A

Example Input: [header] How to get rid of laugh lines [title] Use moisturizers daily. [step] Using moisturizer can help hydrate your skin and reduce the appearance of fine lines and wrinkles, including those around your mouth. For the best results, use skin moisturizer that contains collagen, which can help plump up and repair your skin. <sep> (A) [substeps] Look for a moisturizer that has a spf, such as spf 30, or including spf 30-35 with spf 15. Health professionals recommend against using products containing any higher ph than 70 or higher. (B) [title] Apply skin exfoliants on a regular basis. [step] Exfoliating can help remove dead skin cells to reveal the healthier, younger skin cells that lie beneath and reduce fine lines caused by laughing and smiling. (C) [substeps] The best moisturizer is calamine lotion (pho) and spf. Apply the moisturizer every night before you go to bed. (D) [substeps] Turn off the faucet and let the water run for a minute. Set your carrier oil or bentonite oil on a towel, and splash water on your face.
Example Output:
B