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Let $A = \{1,2,3,4,5\}$ and $B = \{2, 3, 4\}\text{.}$ How many set $C$ have the property that $C \subseteq A$ and $B \subseteq C\text{.}$

Hint

You should be able to write all of them out. Don’t forget $A$ and $B\text{,}$ which are also candidates for $C\text{.}$