Which among the following molecules have ${\mathrm{sp}}^3\mathrm{d}$ hybridization with one lone pair of electrons on the central atom?
($\mathrm{i}$) ${\mathrm{SF}}_4$  ($\mathrm{ii}$) $[{\left.{\mathrm{PCl}}_4\right]}^{+}$  ($\mathrm{iii}$) ${\mathrm{XeO}}_2{\mathrm{F}}_2$  ($\mathrm{iv}$) ${\mathrm{ClOF}}_3$