It must be with good punctuation and grammar.
Answer:
A) they move all over the place
Explanation:
The noun "herself" is a intensive pronoun. Since you can take out the pronoun and the sentence still makes sense that means its intensive. Hope that helps!
Well, most slang words that have been used for a long period of time have been added to the dictionary, but then again, some other slang words have not. So, it really depends on the word.
But, for a straightforward answer i would say yes, just because some slang words are in the dictionary.
~Hope this helped