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 buy wine for a gift [title] Go mid-range to high end. [step] It's tempting to buy a cheap wine to give as a gift, particularly if you don't know much about wines. However, cheap wine will taste cheap. <sep> (A) Buy the cheapest wines possible at low prices for a lot of fun and a nice gift. [substeps] Vintage wine is well worth the cost, but it won't taste well if you're not buying the bottle. (B) A higher end wine will go right up top and faster, so full quantities have more potential to go up the price of a bottle. [substeps] Anyway, consider your palate when determining whether a bottle is a good choice for your party. (C) [substeps] Spend time visiting upscale restaurants near your destination and learn about wines on your visits. Ask for the wine they recommend to see if you can trade it for cheaper. (D) That's not to say that you can't get a decent wine for a reasonable price. You just don't want to pick the cheapest wine, especially if you've never tasted it yourself.
answer:
D


question:
[header] How to tell the difference between a crocodile and an alligator [title] Look at the snout. [step] The easiest way to tell the difference between crocodiles and alligators is to look at their snouts. Alligators have a wide, rounded, " u "-shaped snouts with larger noses, whereas crocodiles have longer, thinner, pointed " v "-shaped snouts and smaller noses. <sep> (A) Alligator snouts are also shorter than crocodile snouts. [substeps] The broad snouts that alligators have give them more strength than crocodiles. (B) Crocodiles have only two stingers, so if you see two stingers, you are likely to have crocodile teeth. [title] Consider the shape of the crocodile's body. (C) Look at the neck and facial features closely to determine which features you might find visually alarming. [title] Look at the animal's overall body. (D) Alligators usually have jaws that are like a shark's. [title] Be cautious with alligators and crocodiles.
answer:

A