I claim the ornamental design for a shoe, as shown and described.
FIG. 1 is a top perspective view of a shoe, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines along the periphery of the shoe opening of FIGS. 1, 2, 4, and 6 are included to show unclaimed subject matter only and form no part of the claimed design.