Using the Apriori Algorithm for association rule mining, which itemset would be considered

"frequent" if the minimum support threshold is set to $0\mathrm{.}5?$

$$ A$)\{$Laptop$,$ Mouse$\}$ with support $0\mathrm{.}4$

$\{$Smartphone$,$ Earphones$\}$ with support $0\mathrm{.}6$

$\{$Camera$,$ Tripod$\}$ with support $0$