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". 
Example: [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.
Example solution: D
Example explanation: This is a good example. Only option D is about Christmas trees. So, it's the correct option.

Problem: [header] How to get allergy relief with herbs [title] Talk to your doctor. [step] Most herbs are safe for allergy relief, but your medical history might put you at risk for certain treatments. [substeps] Discuss other remedies that might work for you if you are unable to use herbs. <sep> (A) If you are having severe symptoms, you should see your doctor right away. Herbal remedies may not completely relieve your allergy symptoms, but at the very least, they should be safe for you. (B) [title] Look for herbs that will prevent the production of histamines in your system. [step] This is the same thing that over the counter drugs with antihistamines do. (C) Food allergies can also make allergy symptoms worse. Patients who are allergic to certain herbs, such as rhubarb, peppermint, wheatgrass, thyme, and dandelion root might wish to discuss other options with your doctor. (D) For example, possibly strong herbs like garam masala can help manage allergy symptoms. Some herbs, like mint or anise, cannot be used in commercially prepared foods.

Solution: B