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 buy a light kit for photography [title] Make a list of required and/or desired criteria for your light kit. [step] These features include whether you want lights arranged on the floor or ceiling, what kind of photography you will be doing, how many lights you will need, etc. [substeps] Floor studio lights and backgrounds can be transported and arranged on stands or supports. <sep> (A) You may want several different lighting items in one kit. There are many available but most of the light hardware items, like dimmer switches and binders or small set of battery-powered lights, should be picked up at a craft store. (B) Pointed, straight, or one-sided lights can be divided into categories and arranged on tables or on poles. [title] Purchase fixtures that fit the gender and the type of lighting and coloring range that you want to consider. (C) Ceiling lights are more expensive and must be on a rail system for positioning in a rectangular area while background rollers are mounted on the ceiling. Your type of photography can determine how much light you need. (D) Frame sizes can be adjusted to your personal preference depending on the size of your studio. Don't forget to read the product description as well.
Example Output: C

Example Input: [header] How to make a sleeveless shirt [title] Choose which shirt you would like to make sleeveless. [step] Almost any shirt lends itself to becoming sleeveless, but there are some common options. [substeps] T-shirts old blouses long-sleeved shirts [title] Turn your shirt inside out and lay it on a flat surface. <sep> (A) [step] Cut along the fold so the front of the shirt is close to the seam. [title] Lay a piece of duct tape across the seam. (B) [step] Roll up the sleeves so that they extend past your elbow and onto your shoulder. If you can, collect some excess material in a bag or pick it up from the floor and then place it back over your shoulder. (C) [step] This can be a small table, a textbook, or a pile of paper. Because this is the shirt with the sleeves rolled off to the side, it should be close to the outside of your shirt. (D) [step] It is important that the surface is flat so that you cut the shirt evenly. [title] Cut strips into the sleeves, perpendicular to the seam.
Example Output: D

Example Input: [header] How to assess your ability to start a business [title] Consider whether you have enough passion to run a business. [substeps] A desire to get away from the regular working world can be a good motivation to start your own business, but this desire alone is not enough. You have to be excited at the prospect of " doing business ". <sep> (A) While this statement may be tempting, it is usually valid. It is largely a matter of consideration of your ability to start a profitable and successful business. (B) Think about the primary key aspects of one of these behaviors. You could search the internet for reviews of business customers, compare traffic rates and choose how you feel most satisfied with them, and decide which of these skills align with whom you enjoy becoming an entrepreneur. (C) Being passionate about baking cakes is not the same as being passionate about running a bakery. To be successful in business you don't necessarily need to be passionate about the product you are selling or the service you are providing but you do need to be passionate about the business of " doing business ". (D) You might become bored if you plan to operate a fast and employable business. But if you keep pushing yourself and can balance out your experience in the industry, you will find that you are capable of making a big difference in your life.
Example Output:
C