Which of the following has a tetrahedral structure?

Given below are two statements:
Statement $I$: Aluminium upon reaction with $NaOH$ forms $[Al(OH)_6]^{3-}$ ion.
Statement $II$: The geometry of $ICl_4^-$, $ClO_3^-$, and $IBr_2^-$ is square planar, pyramidal, and linear respectively.
In the light of the above statements, choose the correct answer from the options given below:

Which of the following molecules possesses a three-fold axis of symmetry?

Select the correct statement regarding the shapes of $PCl_5$,$BrF_5$,and $IF_7$.

What is the type of molecule for $SF_4$ among $AB_4$,$AB_4E$,and $AB_3E_2$?

The shapes of $XeF_2, XeF_4$,and $XeO_3$ respectively are