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". 

[EX Q]: [header] How to feed a warm season lawn [title] Take a soil sample of your lawn. [step] A soil sample will give you an evaluation of the nutrients and determine what amendments or fertilizers will work best for your lawn. To take a sample, use a gardening spade and dig 5 holes that are 6-8 inches (15-20 cm) deep in several areas of your lawn. <sep> (A) [substeps] Avoid digging any deeper than the hole you are taking your soil sample from. Digging 4 holes too deep, or too small, could cut off the nutrients your soil provides for its root system, which could cause your grass to die. (B) Put the soil that you unearthed in a clear container and send it to your nearest cooperative extension. [substeps] You can take samples of your soil annually to keep up with the changes in nutrient content. (C) If the holes are shallow, use a flashlight or electronic device to locate the depth on the soil. [substeps] You can purchase soil samples at most major gardening and home improvement stores. (D) [substeps] Be careful, as you could trip on a garden hose and injure yourself. You can disinfect the soil during use by using two or three levels of bleach to dissolve it, then repump if necessary.
[EX A]: B

[EX Q]: [header] How to encourage an autistic person's special interests [title] Check out library books relating to their interest. [step] They can read about their favorite things at their own leisure, without the expense of constantly buying new books. [title] Buy gifts related to the latest interest. <sep> (A) [step] This can be something as simple as fancy designs, or will also be something that you know they'll like. Could be a cool summer smell, a killer crocheted sweater, a great cake recipe, for instance. (B) [step] One good thing you can buy is a stuffed animal. They can attach a cute sign on the front, telling the person where to place the gift. (C) [step] This can be anything from toy birthday items to brochures, catalogs, trophies, and similar. [substeps] Smile at each child when asking them for their gift. (D) [step] This will ensure that they like whatever you give them, and they will feel understood and appreciated. Here are some examples of good gifts : [substeps] Arts and craft kits (e.g.
[EX A]: D

[EX Q]: [header] How to reduce anxiety with music [title] Listen to music around medical stressors. [step] If you have anxiety about a medical procedure, ease your tension with some music. Patients exposed to music while in a surgical holding area reported lower anxiety and stress than those not exposed to music. <sep> (A) Similar findings have shown that music eases pain and anxiety when listened to before and following surgery. Listen to music you enjoy, as the type of music listened to doesn't seem to matter as much as whether or not you appreciate and enjoy your music. (B) Studies show that listening to music while in a surgical holding area may contribute to lower levels of anxiety as well. [substeps] Music that brings comfort to patients such as patients getting their bottles taken away may reduce anxiety around the surgical holding area. (C) Listening to music that focuses your attention on a specific aspect of a surgical procedure can increase your sense of being a part of it, which can give you better control of your emotion. [substeps] Studies have shown that listening to music that focuses on medical procedures can significantly reduce anxiety. (D) Music may also help to diminish irrational thinking in patients. Pick some upbeat music and take good notes if you think you could distract yourself from an unpleasant thought.
[EX A]:
A