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". 

[Q]: [header] How to help stop police brutality [title] Share news stories about police brutality. [step] When you see good-quality articles about police brutality, especially those connected to recent events, share them on social media sites like facebook and twitter. This will help keep the topic fresh in the minds of your friends and followers. <sep> (A) You can even make a news page dedicated to your precinct or neighborhood, and give people posted online about police brutality relevant to your neighborhood. Cover these fan-fiction very well by understanding the facts that are relevant to your area. (B) [substeps] It can also be a great way to reach out to other people about police brutality. Many people will be sympathetic, even if they don't fully understand the danger or the costs for criminal action, and it can help cut down on potentially startling images of violence and embarrassment. (C) The good articles, and the news you've already shared, are also more likely to be read, because you'll be a link between the good and the bad. [substeps] Posting good news is key to providing easy access to world wide web news databases. (D) [substeps] Before posting an article, double-check the publisher and writer to make sure it isn't a form of fake news. Make sure you post about non-political things as well, that way people don't tune you out.
[A]: D


[Q]: [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.
[A]: C


[Q]: . the boy in the red hat and the blue coat <sep> (A) and white hat are seated behind a bus. (B) appear out of the blue and hop in the car and proceed to climb up the ladder along several ladders. (C) are brushing a white horse. (D) is being pulled in a red tube by a rope over some icy roads.
[A]:
D