You already wrote the answer. It is Additions
Answer:
A, B
Explanation:
A. selects accountholder's ids and check them with those who don't have cities in BranchMaster table.
B. We can use both <em>NOT IN</em><em> </em> as well as <> operator for comparison so it selects accountholder's ids which are not in all of those account holders who have cities in BranchMaster.