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". 

Q: [header] How to plant switchgrass [title] Pick a switchgrass variety. [step] If you look for switchgrass at your local nursery you may just find a plant that's labeled " switchgrass, " but there are actually several varieties that differ in color and size. Switchgrass blooms for almost half the year, and during the winter and spring it's usually brown. <sep> (A) [substeps] Magnolia trees produce about 50% of the moisture. Maple trees produce 50% of the moisture per year. (B) Both varieties of switchgrass produce pretty stunning flowers, unique patterns, and flowers. Most also have phlebotomists at the planting areas where it grows. (C) These are factors to keep in mind when you're choosing a variety for your garden. Here are a few types commonly grown in home gardens : [substeps] Northwind: grows four to six feet tall and produces yellow blooms. (D) Pine needles will establish a base that's ready for planting a newer, more established fire from. [substeps] Switchgrass colors for more variety can also be found at a garden center or online.

A: C
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Q: A small group of people are seen lifting a large object into the back of a van and close ups of them and a building. The people are seen riding around a large gymnasium on roller blades performing various flips and tricks. the boys <sep> (A) continue skating around and interacting with one another and performing impressive tricks. (B) continue riding around a sports stadium and performing tricks. (C) play the drums while riding around on bouncy chairs that run in a tight group. (D) ride around again in the end with more people watching on the side.

A: A
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Q: [header] How to cook with kefir [title] Instead of eating a fruit flavored yogurt that can be filled with sugar or sweeteners, opt for plain kefir. [step] In a blender, combine kefir, a banana, and top with granola for a protein punch. For a quick fix, top a cup of granola with kefir and go. <sep> (A) Top with dishes like : [substeps] Honey roasted fennel with hummus [title] Replace canned or frozen yogurt with kefir. [step] Items without protein like fresh fruits and vegetables, have a less saturated and mutable flavor. (B) [title] Try a whole grain blend or 1 cup of chopped green chilies. [step] Similarly, for a light, airy snack, you can do a spanish wake up with kefir mixed with a dry chid. (C) [substeps] Kefir is slightly more acidic than yogurt, but it helps to ward off the fizz that accompanies morning sweating. [title] Set up a bowl of cold water to help you stay hydrated. (D) [title] Use in place of milk on cereal. [title] Use as a base for protein shakes for pre or post-gym snacks or meals.

A:
D
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