Write in Symbols: the Complement of the Union of Sets $A$

Multiple Choice

Write in symbols: the complement of the union of sets $A$ and $B$ .

A) $\bar { A } \cup \bar { B }$
B) $\overline { A \cup B }$
C) $\bar { A } \cup B$
D) $\overline { A \cap B }$
E) $\bar { A } \cap \bar { B }$