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 polish rocks [title] Choose the right rock. [step] You can polish any stone you wish, but there are certain characteristics of a stone that will make it easier to polish. If you want an easy stone to polish, pick a somewhat softer stone like onyx, limestone or calcite. <sep> (A) [substeps] You can polish diamond, granite or ceramic stones by cutting thin pipe holes or inserting dry mortar into one side of each hole. Look for a stone that resembles a diamond, but not necessarily a diamond. (B) Otherwise, a smoother, more pumice-like stone will be more difficult to polish. [substeps] Emeralds and equilateral manganese are both excellent mineral polishes. (C) Stones that are very hard will take a much longer time to polish. However, though hard rocks take a long time to sand, they yield more shine than softer rocks. (D) Softer rocks will actually work more well, and might look better to polish very old stones, but brighter stones tend to chip quicker. [substeps] Rubies, sapphires, and emerald are good options.

SOLUTION: C

PROBLEM: He then discusses what to do when a sunburn does occur, how to handle it to take care of your skin. a slide <sep> (A) shows that he should be in a building showing how to iron, then he begins by giving the results of another remove. (B) shows a person's finger and toe nails are shown before he jumps on an ironing board to iron. (C) show of a razor obtain; first is placed in a glass, then in a bowl. (D) is shown to make us aware of when a sunburn is bad and needs medical attention.

SOLUTION: D

PROBLEM: [header] How to manage stress when you are tired [title] Figure out what is bothering you. [step] If you are feeling stressed, take a moment to identify the source. What exactly are you stressed about? Try keeping a stress journal to help you identify the sources of your stress. <sep> (A) [substeps] A journal can help you organize your day into smaller chunks. If there is a particular event that you are feeling stressed about, create a journal to write down your feelings at and throughout the day. (B) Write in your stress journal every day and include : [substeps] What you think is causing you to feel stress. How you feel, including your physical and emotional state. (C) A typical stress journal can include anything from reasons for medical or disciplinary concerns, health messages that weigh you down, or even good homework. Figure out whatever is making you feel stressed and check it out. (D) When you feel stressed you may stop yourself from carrying on a conversation. [substeps] Make a list of things that you find unpleasant in your life.

SOLUTION:
B