content area top Part 1 Given the following sets, find the set left parenthesis Upper A union Upper B right parenthesis prime intersect Upper C. UequalsStartSet 1 comma 2 comma 3 comma . . . comma 6 EndSet AequalsStartSet 1 comma 3 comma 4 comma 5 EndSet BequalsStartSet 1 comma 3 comma 5 EndSet CequalsStartSet 1 comma 2 comma 3 comma 4 comma 5 EndSet Question content area bottom Part 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. left parenthesis Upper A union Upper B right parenthesis prime intersect Upper CequalsStartSet nothing EndSet (Use a comma to separate answers as needed.) B. left parenthesis Upper A union Upper B right parenthesis prime intersect Upper C is the empty set