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". 
One example is below.
Q: [header] How to create a christmas tree forest [title] Consider the type of tree you want to plant. [step] There are a wide variety of christmas trees and include fir, pine, spruce, cypress, and cedar. These trees thrive in different climates and look different from one another. <sep> (A) It is important to research the tree before setting up your tree to try it out to make sure you can write the tree's growing season so that you can get the most supplies you need. If you're just interested in having a tree stand out, then make sure to check for the following : [substeps] Spruce trees. (B) [substeps] Trees green may be used in a mix of green and evergreen. Greens, such as pintos and olive oil, may be more delicate than these. (C) Where the trees grow together is up to you. [substeps] Spruce trees light up the night for hours in the morning and drown out the morning sunrise between afternoons. (D) Think about where your tree forest will be located and choose a tree that can thrive in that climate. [substeps] Balsam firs are a popular christmas tree species that grow in the northern united states and canada, in hardiness zones 3-5 or states like minnesota, north dakota, and montana.
A: D
Rationale: This is a good example. Only option D is about Christmas trees. So, it's the correct option.
Q: [header] How to make a liver cleanse [title] Understand the benefits of this cleanse. [step] This 24 hour detox is designed to remove toxins from the liver and flush gallstones from the gall bladder. [substeps] It has helped people alleviate and cure problems such as chronic acne, yeast infection and symptoms associated with leaky gut. <sep> (A) It is a very effective treatment against urinary tract infections and sickle cell anemia. [title] Know the risks of a liver cleanse. (B) Many studies have indicated that eating for 25 minutes before the detox has been proven to be effective for preventing various digestive problems. [title] Join a successful liver cleanse program. (C) To perform this cleanse, all you'll need is epsom salts, extra virgin olive oil and one large grapefruit. [title] Prepare your body for the cleanse. (D) The full benefits of the cleanse are: the liver is free of diseases like cancer and viruses, and it's healthy for the body to move calories and fats throughout the gallbladder. [title] Understand the dangers of drinking alcohol or other personal beverages before and during this detox.
A:
C