$S{F_4}$ has distorted tetrahedral or Sea- Saw geometry which arise due to $s{p^3}d$ hybridization of central sulphur atom and due to the presence of lone pair of electron in one of the equatorial hybrid orbital.
$NO^-_3, CO^{2-}_3 ,CO^-_3 ,SO_3$
$(A)\, OSF_2$ $OSCl_2$ $OSBr_2$
$(B)\, SbCl_3$ $SbBr_3$ $SbI_3$
$(C)\, PI_3$ $AsI_3$ $SbI_3$