We have a relation, where each record is an $$itemset$$ and shows all the weather phenomena of a particular day $($as a $$transaction$$ in the market basket model$).$ Suppose we discover an association rule $\{$darkClouds$,$ rain$\}$rightwards arrow$\{$thunder$\}$ with support $0\mathrm{.}45$ and confidence $0\mathrm{.}7.$ Which of the following conclusion is correct?