TASK DEFINITION: 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". 
PROBLEM: [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.

SOLUTION: A

PROBLEM: [header] How to measure clothing for your cat [title] Measure a calm cat. [step] Catch your cat in a good mood, or a sleepy mood. Wait until your cat is holding still, and take his or her measurements. <sep> (A) Remember to ask beforehand if the cat's body language indicates a calm individual. [substeps] If your cat is growling, meowing, or hissing, this indicates a calm individual. (B) Your cat may jump up to grab the measuring tape or unlike with its usual behaviour. Make sure your cat stays still and seem both calm and alert. (C) If your cat is hyper, play with him for a while and gradually calm him down. For example, let your cat chase a toy for a while, then let him catch the toy. (D) Cat fur is a delicate fabric, and your cat will be easily scratched if you mess up the measurements. [title] Put your cat in a comfortable place.

SOLUTION: C

PROBLEM: [header] How to clean belly button lint [title] Take a shower. [step] Before cleaning your belly button, take a quick shower. This will help loosen up any dirt or lint in your belly button. <sep> (A) Allow your belly button to dry completely before washing it. [title] Spot-test a small patch of lint at first. (B) You don't need to do anything special in the shower. Just shower as you normally would using regular soap and water. (C) [substeps] Choose warm water and soap formulated for your diaper. Put on a breathable and loose cotton underwear. (D) If you can, use a soap and water cleanser made specifically for carrying out a belly button cleaning. [substeps] For the best results, before going to the bathroom, make sure to wear safety clothes and don't touch your belly button too much.

SOLUTION:
B