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 Input: A room is shown with an acoustic guitar lying across a beige sofa and a stone art piece in front of the sofa with rocks in it. a person, face unseen , <sep> (A) is standing in front of the rock wall with canvas in front of him and paints on a pallet. (B) begin to play the guitar and an image of a man teaching him how to play while he's playing backs into her music room and onto a white screen, not a person else. (C) holds a lit cigarette and the approached to lift up the guitar in a lounging pose. (D) approaches the sofa and picks up the guitar.
Example Output: D

Example Input: The wall breaks and the man flies down the hill into a tree. The man stands up next to the kayak and talks. the girl <sep> (A) walks off sequence while the camera follows. (B) gets into the kayak. (C) in red gets angry, and lays down in the water. (D) approaches the tree pointing and shaking it in the end.
Example Output: B

Example Input: [header] How to make a planchette [title] Choose a material. [step] Traditionally, planchettes are made from a thin piece of attractive wood, such as birch, mahogany, or oak. However, you can make a planchette from any lightweight material, such as thick cardboard, utility board, or a clear hard sheet of plastic. <sep> (A) Find a material that is sturdy enough to withstand scraping, such as a cotton or canvas. [substeps] Crystal planchettes are good options for beginners because they are straightforward to use and won't require a much scrapping or sanding. (B) However, you can also use cloth planchettes, which are transparent, to go with planchettes. You can also buy them from craft stores. (C) Too much wood can damage your planchettes. [substeps] Bamboo is a particularly good choice, as it holds up well to pressure and durability. (D) [title] Cut out a planchette shape. [step] Use a utility knife (for cardboard), a saw (for wood), or a plastic scoring knife (for plastic) to cut your planchette into the desired shape.
Example Output:
D