144-- If $A$ and $B$ are two non-empty sets, which of the following equals $(A \cap (A' \cup B)) \cup (B \cap (A' \cup B'))$? (1) $A \cap B$ (2) $A \cup B$ (3) $B$ (4) $A$
\textbf{144--} If $A$ and $B$ are two non-empty sets, which of the following equals $(A \cap (A' \cup B)) \cup (B \cap (A' \cup B'))$?
(1) $A \cap B$ \qquad (2) $A \cup B$ \qquad (3) $B$ \qquad (4) $A$