The points on the axis of the parabola 3y²+4y−6x+8=0 from where 3 distinct normals can be drawn are given by____

O (a, 2/3), a> 19/9
O (a, -2/3); a> 19/9
O (a, 2/3); a> 7/9
O (a, -2/3); a> 20/9