Which species produced by the successive dissociations of phosphoric acid, $H_3PO_4$, are amphiprotic?

$HPO_4^{2−}$ and $PO_4^{3−}$

$H_2PO_4^−$ and $HPO_4^{2−}$

$H_2PO_4^−$ and $PO_4^{3−}$

$HPO_4^{2−}$ only