Sets — practice question

The Venn diagram illustrates the elements of the sets $\mathcal{E}$, $P$ and $Q$. The items in $P$ only are $a$, $b$, $c$. The common region contains $d$. The items in $Q$ only are $e$ and $f$. The element lying outside both sets in $\mathcal{E}$ is $g$.