Detailed 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".
Problem:[header] How to make a fake fire [title] Cut your " flames. [step] " in this method, we use the airflow from a fan to cause a fake fabric " flame " to billow and blow. The size of your flame will depend on the desired size of your fake fire or the space limitations of your fireplace. <sep> (A) Use as much fabric as it can hold. [substeps] Cut your " flames " in fourths for a realistic, toddler-look. (B) Taking these measures into account, cut flames accordingly. [substeps] When it comes to cutting flames, you have several options. (C) The exact measurements you may need will depend on the space requirements of your fireplace. [substeps] Approximately 3 inches from the edge of your fireplace mantel is the approximate size of your flame. (D) You will need a long piece of string or 2 m lengths and a block of cardboard. You will also need a small piece of wire that is slightly longer than the actual flame, or maybe more.
Solution:
B