Instructions: 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 dynamite roll [title] Gather up the items from the list of ingredients. [title] Put saran wrap around a sushi rolling mat. [step] This will prevent the rice from sticking to the mat. <sep> (A) [title] Take a sheet of aluminium foil and fold it in half. [step] Place the wooden roll of the rice on a baking sheet. (B) [title] Dip your hands in clean water so that your hand will not stick onto rice or any other ingredients. [title] Put a piece of seaweed on the mat. (C) [title] Find pieces of mat about 2 feet (0.9 m) long. [step] Cut off all trace of the mat's design, so that you are left with strips of patterned mat, to choose from. (D) [title] Put rice at a diagonal in the center of the mat. [step] If you don't have a mat, the mat rolls itself.
Output:
B