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". 
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Question: [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.

Answer: A


Question: [header] How to remove paint from a car exterior [title] Park the car on top of a large tarp or drop cloth to contain the old paint. [step] The old paint should be disposed of instead of letting it contaminate the ground. If an open area is not available, park the car inside a garage, but open all of the garage's windows and doors for ventilation. <sep> (A) Cover objects inside the garage to protect them from the paint dust. [title] Use masking tape to cover the areas of the car that won't be sanded. (B) Alternatively, use a flashlight to check beneath the tarp. [title] Use an old baseball bat, crowbar, pry bar, or other large object to push the old paint off of the vehicle. (C) [title] Wipe the paint with a wet cloth, a roller wrap or an old towel to protect it from oil and water. [step] The paint is likely to collect on these cloths and make them easier to clean as they are removed. (D) If your garage is not well ventilated, a ventilation device will block your windows when the old paint has dried to a mud-like consistency. [title] Pour a small amount of vinegar into a small bucket.

Answer: A


Question: [header] How to troubleshoot your workout [title] Get an expert to observe your workout. [step] If you've reached a plateau, a personal trainer may be able to help you take your workout to the next level. They can point out flaws in your technique and give you tips to get more out of your exercises. <sep> (A) [title] Do things that you might normally do for fun. [step] As often as possible, do things you're not much into doing. (B) [substeps] If you've met someone who makes you workout more challenging, ask for your review. A trusted friend or family member may have really been there when you started and could help point out basic errors you could miss. (C) [substeps] A personal trainer may ask you questions to get a sense of your diet, life activities, and other factors that might be impacting your workout. Answer these questions honestly-don't try to impress the personal trainer with how healthy and active you are, or you won't get the help you need. (D) [substeps] Ask a family member or friend to help train with you so you can let them know what you're doing and how your workout is about to become more effective. [title] Contact your gym or business about any limitations or adjustments you've noticed.

Answer:
C