The ornamental design for a shoe, as shown and described.
FIG. 1 is a front perspective view of a shoe showing my new design;
FIG. 2 is a side view thereof;
FIG. 3 is an opposite side view thereof;
FIG. 4 is an opposite side rear perspective view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a top view thereof.
The broken line immediately adjacent to the bottom of the shaded area defines the bounds of the claimed design and forms no part thereof. The broken lines depicting the remainder of the shoe show features that form no part of the claimed design.