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]: A lady holds a toothbrush as a child sits on a counter. the lady <sep> (A) scrubs the child's teeth. (B) brushes the boys teeth. (C) easily cleans the teeth of the child while kissing him. (D) moves cake cakes a to see if the child likes them.
[A]: B


[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 make a tornado in a bottle [title] Fill a plastic bottle with water. [step] Leave two inches of air at the top of the bottle. The size of the bottle doesn't matter-but the bigger the bottle, the bigger the tornado. <sep> (A) The larger the bottle, the more tornado you'll create with water, as well as the longer it might take for the tornado to spread and land on your person. [substeps] The size of the bottle also determines how you do it. (B) [substeps] Use a long, rectangular piece of black foil and make sure the triangle is even against one side of the bottle. Carefully measure and divide the dimensions of the bottle according to how many inches (24 x 22 centimeters) you want the tornado to be. (C) The bigger the tornado, the easier it will be to observe the effects on the water. [substeps] If you are only making a one-bottle tornado, you can use a plastic water bottle or a clear glass canning jar. (D) Use enough water so that the piece of glass that releases water is as tall as the funnel, but roughly over-the-top. [title] Place one end of the funnel in the bottle.
[A]:
C