Answer:
Dancers differ from chefs in their work environments.
Explanation:
While the whole paragraph talks about the contrast between a dancer and chef this particular sentence centers on the fact that they work in different fields. Furthermore, The word while is suggesting some kind of contrast between the two phrases.
It is false that the phrase "Ain't I a Woman" is an example of a counterargument.
I think the answer is A)He combines details and indisputable facts with hyperbole and understatement to demonstrate the complexities of attempting to unify forces in order to promote change among opposing groups of citizens.
but I am not 100% sure since I have not read "Letter from a Birmingham Jail" in a couple of years.