You will be given a definition of a task first, then some input of the task.
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".

[header] How to remove chewing gum from a dryer drum [title] Spray pam cooking spray on the gum. [step] It's similar to wd-40 in that it lubricates areas and erodes sticky substances, but it's a natural alternative. If you don't have pam or a spray version of a cooking oil, you can use a bottled version of canola oil. <sep> (A) This will be more acid-free, and will result in less mess. [substeps] This spray is also very acidic, so it may stick to fabric and other fabrics. (B) It's safe to use on wet or dry of the dryer. [substeps] When using pam, try using coconut oil, which is safe to use on wet or dry surfaces. (C) [title] Rub pam under and around gum gum to loosen it. [step] You should see the gum coming away from the crack. (D) Wipe some canola oil on a cloth and rub it on the gum. [title] Soak the gum in the oil.
Output:
D