Third person omniscient would be my best guess. Hope this helps :D <span />
You cannot put any sort of endmark (period, question mark, or exclamation point) here because it is not a complete sentence. Complete sentences must have a subject and a predicate. You can tell there's not even a verb here, so this is just a fragment, and we would have to use a comma.
a. Very truly yours,
Answer:
A.
Explanation:
a counterclaim is going against the claim and a rebuttal is going against the counterclaim.
