The ornamental design for a dice, as shown and described.
FIG. 1 is a perspective view of a dice, showing the top, one side face and a front face of the dice;
FIG. 2 is a perspective view opposite to that of FIG. 1, showing the bottom, an opposed side to the side of FIG. 1, and a rear face;
FIG. 3 is a side elevation of the dice shown in FIG. 1, with the opposed face being the mirror image of that shown in FIG. 3, but with the stone image thereon; and,
FIG. 4 is a side elevation of the front face of the dice shown in FIGS. 1 and 2, with the opposed rear face thereof being a mirror image.