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