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 make scented rocks [title] Purchase supplies from a local department store or craft store. [step] You will need plain flour, salt, food coloring and essential oils. Essential oils are oils that have been extracted from various plants. <sep> (A) You do not need to use all different oils, but big quantities will work. [substeps] Choose oils that you associate with fresh fruits and vegetables and herbs. (B) It can be easily purchased at craft supply stores or you may be able to find them online. Get an essential oil primer, then make sure your acrylic rock is thoroughly coated. (C) You can also purchase essential oils from craft stores, or you can order a variety of essential oils online. [title] Mix together 1/2 cup (118 ml) of plain flour and 1/2 cup (118 ml) of salt in a mixing bowl. (D) You will need and obtain the following materials : [substeps] A 40 oz mixing bowl large enough to fit the stones. If you do not have these materials to gather, a mixing machine at an arts and crafts store can be more economical than a large ceramic mixing bowl, which will require little or no space.

SOLUTION: C

PROBLEM: [header] How to make iced green tea [title] Boil 4 cups (950 milliliters) of water in a large pot. [step] If you would like to make a single serving, boil 1 cup (240 milliliters) of water in a kettle instead and pour it into a mug. [title] Take the pot off the stove, and add 4 to 6 tea bags into the water. <sep> (A) [step] Swish the tea bag or bag around in the water to help dissolve it, then you're ready to serve it. [title] Add 4 to 6 teabags to the pot. (B) [step] The more tea bags you use, the stronger your tea will become. If you would like to make a single serving, dip 1 tea bag into your mug. (C) [step] Make sure that the tea bags reach the proper amount of length to minimize the risk of scorching. [title] Turn the heat off and let the tea steep for 10 to 15 minutes. (D) [step] This will have the texture of a teaspoon of ginger. [title] Leave it to steep for about half an hour.

SOLUTION: B

PROBLEM: [header] How to wear denim boots [title] Get a thigh-high pair for a trendy look. [step] The most commonly worn type of denim boots is most likely thigh-high. These combine both vintage and modern styles, and so they appear interesting and different to many. <sep> (A) Thigh-high or low-rise boots, on the other hand, are less relevant in a particular period of the year and are leather-only. [substeps] When in doubt, opt for ankle boots with a more casual look. (B) Go with this type if you're wanting to incorporate trendy celebrity influences into your personal style. [title] Wear denim ankle boots for a rocker chic vibe. (C) The exact cut can vary depending on your height, gender, and reputation, but the general aesthetic will depend on the way you walk. [substeps] Knee-high boots are the type with treads on the front and bottom of the boots. (D) Knee-high or above-the-knee denim boots are popular for a timeless look. [substeps] Some boots are slightly higher in height, from ankle to knee.

SOLUTION:
B