Two p-block elements \( X \) and \( Y \) form fluorides of the type \( \mathrm{EF}_3 \). The fluoride compound \( \mathrm{XF}_3 \) is a Lewis acid and \( \mathrm{YF}_3 \) is a Lewis base. The hybridizations of the central atoms of \( \mathrm{XF}_3 \) and \( \mathrm{YF}_3 \) respectively are:
