instruction:
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". 
question:
[header] How to sleep peacefully, and have good dreams at the same time [title] Relax before bed. [step] If you have a hard time getting to sleep, you should take some steps to help you relax and prepare for bed before you want to go to sleep. Spending some time relaxing and clearing your mind can help you to fall asleep more quickly and sleep peacefully through the night. <sep> (A) [substeps] Take a few breaths before bed, if you feel like you may need it. When you feel sleep approaching, take some deep breaths. (B) When you get up in the morning, make sure you have plenty of time to gather your thoughts before bed. Even a quick cup of coffee and some breathing exercises before bed can help you drift into sleep. (C) [substeps] Take a shower and do some light and relaxing activities before bed. If you can, do them before you do anything else. (D) There are lots of different techniques you can try to help you relax before bed, such as : [substeps] Practicing some gentle yoga stretching. Progressively tensing and then relaxing the muscles in your body.
answer:
D


question:
[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.
answer:
D


question:
[header] How to kill aspen shoots [title] Treat the shoots in late summer or early fall, if you can. [step] Do this before the leaves change color. Herbicides are the best way to eliminate the shoots, though they will also kill the original tree. <sep> (A) [substeps] Removing the tree from the ground will also help prepare it for the next growing season. If you still have shoots on your tree, carefully remove them and repeat the process to see which ones you can eliminate the most quickly. (B) It takes several months for the herbicide to work. The best time to use it is right before the weather starts to cool down, since the tree will be in a dormant period anyway. (C) Also, if the cannot simply die off in the freezing season, you can kill the tree. [title] Keep in mind that young aspen is one of the most recent trees to be killed. (D) Be aware, though, that if you cut the branches back, there is no real danger of the aspen turning brown around the base. [substeps] Always use a horning gun or an electric razor to cut off the needles, if necessary.
answer:

B