Select the correct statements.

${\mathrm{XeO}}_2{\mathrm{F}}_2$ and ${\mathrm{XeOF}}_4$ have same number of lone pa.ir(s) of electrons on central atom and different structures.

${\mathrm{XeO}}_2{\mathrm{F}}_2$ and ${\mathrm{XeO}}_3{\mathrm{F}}_2$ have same structures and different number of lone pair(s) of electrons on central atom.

${\mathrm{XeOF}}_4$ and ${\mathrm{XeF}}_5^{+}$ have same structured and same number of lone pair(s) of electrons on central atom.

${\mathrm{XeF}}_4$ and ${\mathrm{XeF}}_5^{-}$ have different structures and same number of lone pair(s) of electrons on central atom.