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".
Input: [header] How to make a wreath with crepe paper [title] Obtain a plastic ring. [step] Plastic rings are readily available at a market, stores and shops or you may find it in your collection of dumped items, if you collect dumped items. [title] Obtain a suitable piece of foam to form the base of your wreath. <sep> (A) [step] These are available at markets, stores and shops or may be bought online. [title] Cut the foam from the center, and bisect it from the middle (as shown in the picture). (B) [step] The big, black one you've seen on christmas trees. This type of foam is good for the main structure of your wreath, since it's very flexible and easy to work with. (C) [step] It is important that you place a bucket of water on it to encourage the foam to rise, spread, fill, and escape. The more water you use, the firmer your wreath will be. (D) [step] Use a rotary craft tip and a router this will ensure you place the wreath on stable material, not flat surfaces or smooth surfaces. You may also use two spoons to form the base, hand the materials onto the foam, then glue in place.
Output:
A