Let U={1,2,…,10}U = \{1, 2, \dots, 10\}U={1,2,…,10} be the universal set. If A={x∈U:x is prime}A = \{x \in U : x \text{ is prime}\}A={x∈U:x is prime} and B={x∈U:x is odd}B = \{x \in U : x \text{ is odd}\}B={x∈U:x is odd}, which elements are in (A∪B)′(A \cup B)'(A∪B)′?
{4,6,8,10}\left\{4, 6, 8, 10\right\}{4,6,8,10}
{2,4,6,8,10}\left\{2, 4, 6, 8, 10\right\}{2,4,6,8,10}
∅\emptyset∅
{4,6,8,9,10}\left\{4, 6, 8, 9, 10\right\}{4,6,8,9,10}