Seven disks—G, H, L, O, P, S, U—are being inserted in a CD player. The order in which the disks are played is subject to the following restrictions:
L must be played before both O and U.
Exactly two disks must be played between G and P one of which must be L.
H cannot be played first.
If L and O are played consecutively, which one of the following cannot be true?