Rape, that comma was un-necessary. Your grammar is fail.
Your Version:
"Rape, that comma, was, un-necessary, your grammar, is fail."
-.-
fixed
Code:
Rape, that comma was un-necessary. Your grammar is fail.
Your Version:
"Rape, that comma, was, un-necessary, your grammar, is fail."
Rape that comma was unnecessary, your grammar fails.