Decide Whether the Given Statement Is Always True or Not

Multiple Choice

Decide whether the given statement is always true or not always true.
- $\mathrm { A } \cup ( \mathrm { B } \cap \mathrm { C } ) ^ { \prime } = \mathrm { A } \cup \left( \mathrm { B } ^ { \prime } \cup \mathrm { C } ^ { \prime } \right)$

A) Not always true
B) Always true