In a graphical calculation view, you want to implement a union between two result sets that differ only in the fact that one of the two has one additional field named ADDRESS. How can you achieve this in a union node? Note: There are 2 correct answers to this question.
A.  Map the ADDRESS field to a constant value.
B.  Create an input parameter for the ADDRESS field.
C.  Exclude the ADDRESS field from the union.
D.  Create a restricted column for the ADDRESS field.