$XeF_3^+$ belongs to which one of the following $AX_nE_m$ nomenclatures (A central atom, X singly bonded ligand and E an unshared electron pair) ?

Question

$\begin{array}{1 1}(a)\;AX_3E_1&(b)\;AX_3E_2\\( c)\; AX_3E_0&(d)\; AX_3E_3\end{array}$