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 recognize chickenpox [title] Watch for symptoms on the skin. [step] Approximately one or two days after developing a runny nose and sneezing, you may see red spots on your skin. These dots often start on the chest, face, and back, are often itchy, and can quickly spread to the rest of the body. <sep> (A) [substeps] When this occurs, it may also be due to a new virus. If you experience any major allergic reactions to chickenpox, such as hives or rashes, contact the doctor. (B) If you suspect that you may have chickenpox, you can easily detect these signs and get medical care. [substeps] These red itchy spots may be small, crisp, or feel tight when you press them onto your skin. (C) [substeps] If you are experiencing a runny nose, you may also develop a flu or fever the following day after taking chickenpox. Syphilis, the " natural flu, " often shows up early in the infection, and even greater in children. (D) [substeps] These red spots will turn into red bumps and then small blisters (vesicles). These spots contain the virus and are highly contagious.

A: D
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Q: [header] How to become a loner [title] Find productive ways to spend time alone. [step] Loners often spend time alone to recharge after spending a lot of time socializing. You can do whatever you want when you're alone, which is one of the great things about being a loner. <sep> (A) Join a club or craft project that excites you. [title] Visit a library, movie theater, or a school newspaper. (B) However, since you'll be spending a great deal of time alone, learn to use that time wisely. [substeps] Learn a new skill, or use your alone time to focus on your hobbies. (C) [substeps] Your solitary time is important because it helps you feel more involved in doing a variety of things. For example, you could pretend you're an explorer or go hiking. (D) [substeps] If possible, try your hardest to take a break every hour of the day to " recharge. " this is also one of the best ways to distract yourself from your thoughts and worries.

A: B
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Q: [header] How to relieve constipation after surgery [title] Use a stool softener. [step] One of the first medications to try if you're feeling constipated is a stool softener. These are easy to find over-the-counter and can help get you back on track. <sep> (A) [substeps] The way that stool softeners work is that they draw water into your stool from your intestines. This makes your stool softer and easier to pass. (B) [title] Take 600ml of stool softener before a meal. [step] Most stool softeners kill the production of prostaglandins. (C) [substeps] One good option for relieving constipation at the time of surgery is a stool softener. While stool softeners do provide temporary relief from constipation, they are expensive and will often disappoint you. (D) These medications are named for their antioxidant properties, which help reduce diarrhea and keep your stools from becoming irritated. [substeps] Remember that: the next time you're using an over the counter stool softener treatment, be sure to follow the dosing instructions.

A:
A
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