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 use talcum powder safely [title] Use it for male irritation. [step] Talcum powder appears to safe for males to use for genital sweating and chafing. It has not been linked to any cancers of male genitalia. <sep> (A) However, it is a naturally occurring product. [substeps] Note that talcum powder can also be toxic if inhaled. (B) Women and men still use talcum powder. [title] Note that talcum powder cannot be easily removed. (C) To test for any sensitivity to the powder, rub talcum powder over your genitals and on your vagina. This can cause a reaction in the male and female partners. (D) Talcum powder can keep you dry if you have issues with chafing or other friction irritation. [substeps] If you are a male using talcum powder on his genitals, do not use it before having sex with a woman.
Solution:
D