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 get rid of white tongue [title] Call your doctor or dentist if you have other symptoms that together might indicate a more serious condition. [step] Other symptoms to check for include : [substeps] Pain in your tongue dehydration fever a white tongue that doesn't go away after several weeks [title] Know the difference between white tongue and geographic tongue. [step] Generally neither condition is serious. <sep> (A) But for certain people, this is known as " tongue illness. " [title] Learn about the signs of tongue disease. (B) [title] Look for a white tongue tongue or tongue with a horizontal, smooth surface that blocks food from getting into the mouth. [step] This means that the tongue has a roof which it cannot move towards. (C) However, it does lead to significant pain. It is thought that the other condition if it occurs is called listerimucoccus nomisymmetrophy (tdd), a genetic condition that asks for unusually dark tongue. (D) [substeps] Geographic tongue occurs when you have smooth lesions that look like areas where the bumps on your tongue are worn away. Foods with strong tastes (spicy, acidic, salty) may cause you pain.

SOLUTION: D

PROBLEM: [header] How to make simple five minute frosting [title] Beat the butter in a medium-sized mixing bowl until smooth and fluffy. [step] You can use an electric mixer or a food processor. [title] Add the powdered sugar a small amount at a time. <sep> (A) [step] Use the stand mixer to mix the ingredients on medium speed until smooth and sugar dissolves. Add the vanilla, milk, and eggs. (B) [step] It will increase the strength of the frosting gradually. [title] Once 1 ½ teaspoons of powdered sugar is added, whip the butter. (C) [step] The mixture will appear dry and crumbly at first, but it will become smoother. [title] Gradually stir in the half-and-half or milk until you have reached your desired consistency. (D) [step] The more powdered sugar the healthier the frosting is. [title] Add the vitamin e oil, and stir to combine.

SOLUTION: C

PROBLEM: [header] How to make a zipper necklace [title] Cut the zipper off any clothing if you're re-using a zipper from an old garment. [step] Cut around the area containing the zipper and then unpick the thread that held it in place. Then treat it the same as for the new zipper in the next step. <sep> (A) [title] Pick up the discoloration from the new zipper. [step] Use a scissors to cut along the high-edges of the newly-sewed zipper, then peel the temporary backing off to reveal the actual zipper. (B) [substeps] If you don't have any clothing, use scissors. Try to cut just the piece the zipper won't fit into. (C) Only use this method if the zipper is still attached to the garment. [title] Punch a hole 2 or 3/4 of the way down the zipper seam. (D) [title] Cut the zipper in half lengthwise if you're using a new zipper. [step] You only want to use half of the zipper to create your necklace; use your sewing scissors to make a clean along the bottom.

SOLUTION:
D