Axis of a parabola lies along x-axis. If its vertex and focus are at distances 2 and 4, respectively, from the origin on the positive x-axis, then which of the following points does not lie on it ?
A. (4, -4)
B. `(5, 2sqrt(6))`
C. (8, 6)
D. `(6, 4 sqrt(2))`
